ID: 274901

(5-methyl-1-benzofuran-2-yl)methanol			$$$$ Data
M. F.	C10H10O2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77483 Database Data ID PubChem 54593419
M. W.	162.1852
CAS
Similarity	N/A

ID: 274902

(5-methyl-1-benzofuran-2-yl)methanamine			$$$$ Data
M. F.	C10H11NO	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77484 Database Data ID PubChem 45122674
M. W.	161.20044
CAS
Similarity	N/A

ID: 274903

(5-nitro-1-benzofuran-2-yl)methanamine			$$$$ Data
M. F.	C9H8N2O3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77486 Database Data ID PubChem 54246762
M. W.	192.17142
CAS
Similarity	N/A

ID: 274904

1-{[2-(2-methylphenyl)-1,3-thiazol-4-yl]sulfonyl}piperazine			$$$$ Data
M. F.	C14H17N3O2S2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77491 Database Data ID PubChem 54593420
M. W.	323.43368
CAS
Similarity	N/A

ID: 274905

4,5,6,7-tetrahydro-1H-indazol-7-amine			$$$$ Data
M. F.	C7H11N3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77495 Database Data ID PubChem 21941962
M. W.	137.18234
CAS
Similarity	N/A

ID: 274906

2-chloro-4-(1H-imidazol-1-yl)pyridine			$$$$ Data
M. F.	C8H6ClN3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77496 Database Data ID PubChem 54593421
M. W.	179.60634
CAS
Similarity	N/A

ID: 274907

7-fluoro-1,2,3,4-tetrahydroisoquinoline hydrochloride			$$$$ Data
M. F.	C9H11ClFN	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77497 Bide Pharmatech BD29650 Database Data ID PubChem 45073971
M. W.	187.6417432
CAS	799274-06-9
Similarity	N/A

ID: 274908

3-amino-3-phenylprop-2-enethioamide			$$$$ Data
M. F.	C9H10N2S	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77498 Database Data ID PubChem 13117799
M. W.	178.2541
CAS
Similarity	N/A

ID: 274909

N-(3-hydroxyphenyl)furan-2-carboxamide			$$$$ Data
M. F.	C11H9NO3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number ChemBridge 7731776 Enamine EN300-77499 Database Data ID PubChem 831141
M. W.	203.19406
CAS	55679-22-6
Similarity	N/A

ID: 274910

3-(5-bromothiophen-2-yl)-5-(chloromethyl)-1,2,4-oxadiazole			$$$$ Data
M. F.	C7H4BrClN2OS	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77500 Database Data ID PubChem 54593422
M. W.	279.54146
CAS
Similarity	N/A

ID: 274911

5-ethyl-3-methyl-1H-1,2,4-triazole hydrochloride			$$$$ Data
M. F.	C5H10ClN3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77501 Database Data ID PubChem 54593423
M. W.	147.606
CAS
Similarity	N/A

ID: 274912

5-cyclohexylpyrrolidin-3-ol			$$$$ Data
M. F.	C10H19NO	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77502 Database Data ID PubChem 54593424
M. W.	169.26396
CAS
Similarity	N/A

ID: 274913

N-(2-acetylphenyl)-4-methylbenzene-1-sulfonamide			$$$$ Data
M. F.	C15H15NO3S	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77503 Database Data ID PubChem 3451343
M. W.	289.3495
CAS
Similarity	N/A

ID: 274914

1-(cyclopropylmethoxy)isoquinoline-3-carboxylic acid			$$$$ Data
M. F.	C14H13NO3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77506 Database Data ID PubChem 43343317
M. W.	243.25792
CAS
Similarity	N/A

ID: 274915

ethyl 2-amino-5-bromo-3-methylbenzoate			$$$$ Data
M. F.	C10H12BrNO2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77511 Database Data ID PubChem 54593425
M. W.	258.11178
CAS
Similarity	N/A

ID: 274916

2-azaspiro[5.5]undec-8-ene			$$$$ Data
M. F.	C10H17N	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77513 Database Data ID PubChem 13106448
M. W.	151.24868
CAS
Similarity	N/A

ID: 274917

N-(pyridin-3-ylmethyl)pyridin-4-amine			$$$$ Data
M. F.	C11H11N3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77514 Database Data ID PubChem 11615300
M. W.	185.22514
CAS
Similarity	N/A

ID: 274918

2-(cyclopentylmethyl)butanoic acid			$$$$ Data
M. F.	C10H18O2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77516 Database Data ID PubChem 54593426
M. W.	170.24872
CAS
Similarity	N/A

ID: 274919

2-(2,3-dihydro-1-benzofuran-5-yl)ethan-1-amine			$$$$ Data
M. F.	C10H13NO	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77517 Database Data ID PubChem 16788767
M. W.	163.21632
CAS
Similarity	N/A

ID: 274920

3-cyclopentyl-2-methylpropanoic acid			$$$$ Data
M. F.	C9H16O2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77518 Database Data ID PubChem 20261004
M. W.	156.22214
CAS
Similarity	N/A

ID: 274921

2-(oxan-4-yloxy)acetic acid			$$$$ Data
M. F.	C7H12O4	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77520 Database Data ID PubChem 19380914
M. W.	160.16778
CAS
Similarity	N/A

ID: 274922

2-(cyclohexylmethyl)butanoic acid			$$$$ Data
M. F.	C11H20O2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77524 Database Data ID PubChem 13806054
M. W.	184.2753
CAS
Similarity	N/A

ID: 274923

3-cyclohexyl-2-methylpropanoic acid			$$$$ Data
M. F.	C10H18O2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77525 Database Data ID PubChem 13033428
M. W.	170.24872
CAS
Similarity	N/A

ID: 274924

ethyl 4-chloro-7-methyl-1,8-naphthyridine-3-carboxylate			$$$$ Data
M. F.	C12H11ClN2O2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77527 Database Data ID PubChem 10562672
M. W.	250.68094
CAS
Similarity	N/A

ID: 274925

1-benzylpiperazine-2-carbonitrile			$$$$ Data
M. F.	C12H15N3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77530 Database Data ID PubChem 54593428
M. W.	201.2676
CAS
Similarity	N/A

ID: 274926

methyl 2-[2-(methylamino)-1,3-thiazol-4-yl]acetate hydrochloride			$$$$ Data
M. F.	C7H11ClN2O2S	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77531 Database Data ID PubChem 54593429
M. W.	222.69244
CAS
Similarity	N/A

ID: 274927

3-(3-fluorophenoxymethyl)benzonitrile			$$$$ Data
M. F.	C14H10FNO	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77532 Database Data ID PubChem 28368208
M. W.	227.2337032
CAS
Similarity	N/A

ID: 274928

2-(piperazin-1-yl)propanamide dihydrochloride			$$$$ Data
M. F.	C7H17Cl2N3O	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77533 Database Data ID PubChem 54593431
M. W.	230.13538
CAS
Similarity	N/A

ID: 274929

2-cyano-3-fluorobenzene-1-sulfonamide			$$$$ Data
M. F.	C7H5FN2O2S	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77534 Database Data ID PubChem 20505205
M. W.	200.1902032
CAS
Similarity	N/A

ID: 274930

1-bromo-4-[(2-chloroethyl)sulfanyl]benzene			$$$$ Data
M. F.	C8H8BrClS	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77535 Database Data ID PubChem 305550
M. W.	251.57112
CAS
Similarity	N/A

ID: 274931

N-(4-iodophenyl)-3-oxobutanamide			$$$$ Data
M. F.	C10H10INO2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77536 Database Data ID PubChem 954382
M. W.	303.09637
CAS
Similarity	N/A

ID: 274932

1-{3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}piperazine dihydrochloride			$$$$ Data
M. F.	C10H16Cl2N6	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77538 Database Data ID PubChem 54593432
M. W.	291.18024
CAS
Similarity	N/A

ID: 274933

1-cyclopropyl-2-(piperazin-1-yl)ethan-1-ol			$$$$ Data
M. F.	C9H18N2O	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77540 Database Data ID PubChem 5109435
M. W.	170.25202
CAS
Similarity	N/A

ID: 274934

tert-butyl 4-[1-(4-fluorophenyl)-2-methoxy-2-oxoethyl]piperazine-1-carboxylate			$$$$ Data
M. F.	C18H25FN2O4	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77541 Database Data ID PubChem 54593433
M. W.	352.4005032
CAS
Similarity	N/A

ID: 274935

methyl 2-(3-chlorophenyl)-2-hydroxyacetate			$$$$ Data
M. F.	C9H9ClO3	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77542 Database Data ID PubChem 14916085
M. W.	200.61896
CAS
Similarity	N/A

ID: 274936

2-chloro-5-fluoro-1,3-benzoxazole			$$$$ Data
M. F.	C7H3ClFNO	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77549 A&J Pharmtech AJA-O19349 Database Data ID PubChem 14169817
M. W.	171.5562232
CAS	153403-53-3
Similarity	N/A

ID: 274937

2,3-dimethylbutane-1,2-diamine			$$$$ Data
M. F.	C6H16N2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77550 Database Data ID PubChem 20239118
M. W.	116.20464
CAS
Similarity	N/A

ID: 274938

1-{[4-(trifluoromethyl)phenyl]methyl}pyrrolidin-3-amine			$$$$ Data
M. F.	C12H15F3N2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77551 Database Data ID PubChem 16244577
M. W.	244.2561096
CAS
Similarity	N/A

ID: 274939

(1S)-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-ol			$$$$ Data
M. F.	C6H10N2O	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77552 Database Data ID PubChem 33821156
M. W.	126.1564
CAS
Similarity	N/A

ID: 274940

(1R)-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-ol			$$$$ Data
M. F.	C6H10N2O	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77554 Database Data ID PubChem 33821152
M. W.	126.1564
CAS
Similarity	N/A

ID: 274941

methyl 4-sulfamoylbutanoate			$$$$ Data
M. F.	C5H11NO4S	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77555 Database Data ID PubChem 10511613
M. W.	181.21014
CAS
Similarity	N/A

ID: 274942

1-(2,2,3,3-tetrafluoropropyl)piperazine			$$$$ Data
M. F.	C7H12F4N2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77557 Database Data ID PubChem 19622796
M. W.	200.1771928
CAS
Similarity	N/A

ID: 274943

2,5-dimethoxy-N-methylaniline			$$$$ Data
M. F.	C9H13NO2	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77559 Database Data ID PubChem 14760806
M. W.	167.20502
CAS
Similarity	N/A

ID: 274944

2-{[(tert-butoxy)carbonyl](2-methoxyethyl)amino}acetic acid			$$$$ Data
M. F.	C10H19NO5	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77561 Database Data ID PubChem 54593434
M. W.	233.26156
CAS
Similarity	N/A

ID: 274945

2-methyl-1H-imidazole-4,5-dicarbonitrile			$$$$ Data
M. F.	C6H4N4	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77563 Database Data ID PubChem 3847698
M. W.	132.12276
CAS
Similarity	N/A

ID: 274946

5-chloropyrazine-2,3-dicarbonitrile			$$$$ Data
M. F.	C6HClN4	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77569 A&J Pharmtech AJA-O18731 Database Data ID PubChem 12907197
M. W.	164.55194
CAS	72111-57-0
Similarity	N/A

ID: 274947

5-chloro-6-methylpyrazine-2,3-dicarbonitrile			$$$$ Data
M. F.	C7H3ClN4	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Alfa Aesar H58925 Enamine EN300-77571 Database Data ID PubChem 12907198
M. W.	178.57852
CAS
Similarity	N/A

ID: 274948

5-chloro-6-phenylpyrazine-2,3-dicarbonitrile			$$$$ Data
M. F.	C12H5ClN4	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77572 Database Data ID PubChem 12907205
M. W.	240.6479
CAS
Similarity	N/A

ID: 274949

5-chloro-6-ethylpyrazine-2,3-dicarbonitrile			$$$$ Data
M. F.	C8H5ClN4	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77573 Database Data ID PubChem 12907199
M. W.	192.6051
CAS
Similarity	N/A

ID: 274950

5-ethyl-6-hydroxypyrazine-2,3-dicarbonitrile			$$$$ Data
M. F.	C8H6N4O	Custom Synthesis Information This compound is available through custom synthesis, please feel free to contact us for a quote. Email: info@chembase.cn Suppliers Catalog Number Enamine EN300-77574 Database Data ID PubChem 13018990
M. W.	174.15944
CAS
Similarity	N/A

• ID:274901

  

  (5-methyl-1-benzofuran-2-yl)methanol

• ID:274902

  

  (5-methyl-1-benzofuran-2-yl)methanamine

• ID:274903

  

  (5-nitro-1-benzofuran-2-yl)methanamine

• ID:274904

  

  1-{[2-(2-methylphenyl)-1,3-thiazol-4-yl]sulfonyl}piperazine

• ID:274905

  

  4,5,6,7-tetrahydro-1H-indazol-7-amine

• ID:274906

  

  2-chloro-4-(1H-imidazol-1-yl)pyridine

• ID:274907

  

  7-fluoro-1,2,3,4-tetrahydroisoquinoline hydrochloride

• ID:274908

  

  3-amino-3-phenylprop-2-enethioamide

• ID:274909

  

  N-(3-hydroxyphenyl)furan-2-carboxamide

• ID:274910

  

  3-(5-bromothiophen-2-yl)-5-(chloromethyl)-1,2,4-oxadiazole

• ID:274911

  

  5-ethyl-3-methyl-1H-1,2,4-triazole hydrochloride

• ID:274912

  

  5-cyclohexylpyrrolidin-3-ol

• ID:274913

  

  N-(2-acetylphenyl)-4-methylbenzene-1-sulfonamide

• ID:274914

  

  1-(cyclopropylmethoxy)isoquinoline-3-carboxylic acid

• ID:274915

  

  ethyl 2-amino-5-bromo-3-methylbenzoate

• ID:274916

  

  2-azaspiro[5.5]undec-8-ene

• ID:274917

  

  N-(pyridin-3-ylmethyl)pyridin-4-amine

• ID:274918

  

  2-(cyclopentylmethyl)butanoic acid

• ID:274919

  

  2-(2,3-dihydro-1-benzofuran-5-yl)ethan-1-amine

• ID:274920

  

  3-cyclopentyl-2-methylpropanoic acid

• ID:274921

  

  2-(oxan-4-yloxy)acetic acid

• ID:274922

  

  2-(cyclohexylmethyl)butanoic acid

• ID:274923

  

  3-cyclohexyl-2-methylpropanoic acid

• ID:274924

  

  ethyl 4-chloro-7-methyl-1,8-naphthyridine-3-carboxylate

• ID:274925

  

  1-benzylpiperazine-2-carbonitrile

• ID:274926

  

  methyl 2-[2-(methylamino)-1,3-thiazol-4-yl]acetate hydrochloride

• ID:274927

  

  3-(3-fluorophenoxymethyl)benzonitrile

• ID:274928

  

  2-(piperazin-1-yl)propanamide dihydrochloride

• ID:274929

  

  2-cyano-3-fluorobenzene-1-sulfonamide

• ID:274930

  

  1-bromo-4-[(2-chloroethyl)sulfanyl]benzene

• ID:274931

  

  N-(4-iodophenyl)-3-oxobutanamide

• ID:274932

  

  1-{3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}piperazine dihydrochloride

• ID:274933

  

  1-cyclopropyl-2-(piperazin-1-yl)ethan-1-ol

• ID:274934

  

  tert-butyl 4-[1-(4-fluorophenyl)-2-methoxy-2-oxoethyl]piperazine-1-carboxylate

• ID:274935

  

  methyl 2-(3-chlorophenyl)-2-hydroxyacetate

• ID:274936

  

  2-chloro-5-fluoro-1,3-benzoxazole

• ID:274937

  

  2,3-dimethylbutane-1,2-diamine

• ID:274938

  

  1-{[4-(trifluoromethyl)phenyl]methyl}pyrrolidin-3-amine

• ID:274939

  

  (1S)-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-ol

• ID:274940

  

  (1R)-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-ol

• ID:274941

  

  methyl 4-sulfamoylbutanoate

• ID:274942

  

  1-(2,2,3,3-tetrafluoropropyl)piperazine

• ID:274943

  

  2,5-dimethoxy-N-methylaniline

• ID:274944

  

  2-{[(tert-butoxy)carbonyl](2-methoxyethyl)amino}acetic acid

• ID:274945

  

  2-methyl-1H-imidazole-4,5-dicarbonitrile

• ID:274946

  

  5-chloropyrazine-2,3-dicarbonitrile

• ID:274947

  

  5-chloro-6-methylpyrazine-2,3-dicarbonitrile

• ID:274948

  

  5-chloro-6-phenylpyrazine-2,3-dicarbonitrile

• ID:274949

  

  5-chloro-6-ethylpyrazine-2,3-dicarbonitrile

• ID:274950

  

  5-ethyl-6-hydroxypyrazine-2,3-dicarbonitrile