ID: 815701

ethyl 2-[3-(1H-1,2,3,4-tetrazol-1-yl)pyridin-2-yl]acetate			$$$$
M. F.	C10H11N5O2	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 A&J Pharmtech AJA-O38088 Database Data ID
M. W.	233.22664
CAS	629655-32-9
Similarity	N/A

ID: 815702

methyl 1-benzylpiperidine-2-carboxylate			$$$$
M. F.	C14H19NO2	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 A&J Pharmtech AJA-O38089 Database Data ID
M. W.	233.30616
CAS	124619-69-8
Similarity	N/A

ID: 815703

1-(4-chloropyridin-3-yl)ethan-1-one			$$$$
M. F.	C7H6ClNO	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 A&J Pharmtech AJA-O38091 Database Data ID
M. W.	155.58164
CAS	116922-73-7
Similarity	N/A

ID: 815704

ethyl 3-methylpyridine-2-carboxylate			$$$$
M. F.	C9H11NO2	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 A&J Pharmtech AJA-O38092 Database Data ID
M. W.	165.18914
CAS	58997-10-7
Similarity	N/A

ID: 815705

N-(5-amino-3-methylpyridin-2-yl)acetamide			$$$$
M. F.	C8H11N3O	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 A&J Pharmtech AJA-O38094 Database Data ID
M. W.	165.19244
CAS	1196152-84-7
Similarity	N/A

ID: 815706

2-(4,4-difluorocyclohex-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane			$$$$
M. F.	C12H19BF2O2	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 A&J Pharmtech AJA-O38095 Database Data ID
M. W.	244.0858664
CAS	1227068-84-9
Similarity	N/A

ID: 815707

3-bromo-6-nitro-1H-indole			$$$$
M. F.	C8H5BrN2O2	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 A&J Pharmtech AJA-O38096 Database Data ID
M. W.	241.0415
CAS	126807-09-8
Similarity	N/A

ID: 815708

1-(4-bromophenyl)-2-methylpropan-2-amine			$$$$
M. F.	C10H14BrN	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 A&J Pharmtech AJA-O38097 Database Data ID
M. W.	228.12886
CAS	23063-68-5
Similarity	N/A

ID: 815709

1-(2-bromophenyl)-2-methylpropan-2-amine			$$$$
M. F.	C10H14BrN	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 A&J Pharmtech AJA-O38100 Database Data ID
M. W.	228.12886
CAS	103275-22-5
Similarity	N/A

ID: 815710

3-(3-bromophenyl)propanamide			$$$$
M. F.	C9H10BrNO	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 A&J Pharmtech AJA-O38101 Database Data ID
M. W.	228.0858
CAS	615534-55-9
Similarity	N/A

ID: 815711

5-ethynyl-1H-indole			$$$$
M. F.	C10H7N	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 A&J Pharmtech AJA-O38104 Database Data ID
M. W.	141.16928
CAS	889108-48-9
Similarity	N/A

ID: 815712

1-(3-chloropyridin-2-yl)ethan-1-one			$$$$
M. F.	C7H6ClNO	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 A&J Pharmtech AJA-O38105 Database Data ID
M. W.	155.58164
CAS	131109-75-6
Similarity	N/A

ID: 815713

ethyl 3-amino-6-bromopyridine-2-carboxylate			$$$$
M. F.	C8H9BrN2O2	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 A&J Pharmtech AJA-O38106 Database Data ID
M. W.	245.07326
CAS	28033-08-1
Similarity	N/A

ID: 815714

4-fluoropyridin-3-ol			$$$$
M. F.	C5H4FNO	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 A&J Pharmtech AJA-O38107 Database Data ID
M. W.	113.0897632
CAS	1060804-45-6
Similarity	N/A

ID: 815715

tert-butyl (2S)-2-(aminomethyl)morpholine-4-carboxylate			$$$$
M. F.	C10H20N2O3	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 A&J Pharmtech AJA-O38109 Database Data ID
M. W.	216.2774
CAS	879403-42-6
Similarity	N/A

ID: 815716

2-methoxy-5-(pyridin-2-yl)pyridine			$$$$
M. F.	C11H10N2O	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 A&J Pharmtech AJA-O38110 Database Data ID
M. W.	186.2099
CAS	381725-49-1
Similarity	N/A

ID: 815717

2-chloro-4-phenyl-1,3-oxazole			$$$$
M. F.	C9H6ClNO	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 A&J Pharmtech AJA-O38114 Database Data ID
M. W.	179.60304
CAS	445470-08-6
Similarity	N/A

ID: 815718

5-(benzyloxy)pyridine-3-carboxylic acid			$$$$
M. F.	C13H11NO3	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 A&J Pharmtech AJA-O38115 Database Data ID
M. W.	229.23134
CAS	263270-34-4
Similarity	N/A

ID: 815719

5-bromo-6-chloropyridine-3-carbaldehyde			$$$$
M. F.	C6H3BrClNO	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 A&J Pharmtech AJA-O38116 Database Data ID
M. W.	220.45112
CAS	71702-00-6
Similarity	N/A

ID: 815720

5-chloro-1,2-dihydroisoquinolin-1-one			$$$$
M. F.	C9H6ClNO	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 A&J Pharmtech AJA-O38119 Database Data ID
M. W.	179.60304
CAS	24188-73-6
Similarity	N/A

ID: 815721

N,N-dimethylpyrimidin-2-amine			$$$$
M. F.	C6H9N3	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 A&J Pharmtech AJA-O38121 Database Data ID
M. W.	123.15576
CAS	5621/2/3
Similarity	N/A

ID: 815722

7-chloroisoquinolin-1-amine			$$$$
M. F.	C9H7ClN2	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 A&J Pharmtech AJA-O38122 Database Data ID
M. W.	178.61828
CAS	1196154-21-8
Similarity	N/A

ID: 815723

5-(4-methoxyphenyl)-1,3-oxazol-2-amine			$$$$
M. F.	C10H10N2O2	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 A&J Pharmtech AJA-O38125 Database Data ID
M. W.	190.1986
CAS	6825-91-8
Similarity	N/A

ID: 815724

5-(4-methylphenyl)-1,3-oxazol-2-amine			$$$$
M. F.	C10H10N2O	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 A&J Pharmtech AJA-O38126 Database Data ID
M. W.	174.1992
CAS	6826-28-4
Similarity	N/A

ID: 815725

6-chloropyridine-2-sulfonyl chloride			$$$$
M. F.	C5H3Cl2NO2S	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 A&J Pharmtech AJA-O38127 Database Data ID
M. W.	212.05382
CAS	913287-21-5
Similarity	N/A

ID: 815726

1-[4-(trifluoromethyl)-1,3-thiazol-2-yl]ethan-1-one			$$$$
M. F.	C6H4F3NOS	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 A&J Pharmtech AJA-O38128 Database Data ID
M. W.	195.1622696
CAS	1060815-96-4
Similarity	N/A

ID: 815727

5-(trifluoromethyl)-1,2-oxazol-3-amine			$$$$
M. F.	C4H3F3N2O	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 A&J Pharmtech AJA-O38130 Database Data ID
M. W.	152.0746296
CAS	110234-43-0
Similarity	N/A

ID: 815728

1-(2-chloro-6-methylpyridin-3-yl)ethan-1-one			$$$$
M. F.	C8H8ClNO	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 A&J Pharmtech AJA-O38131 Database Data ID
M. W.	169.60822
CAS	49667-29-0
Similarity	N/A

ID: 815729

1-(2,6-dichloropyridin-4-yl)ethan-1-one			$$$$
M. F.	C7H5Cl2NO	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 A&J Pharmtech AJA-O38132 Database Data ID
M. W.	190.0267
CAS	185319-20-4
Similarity	N/A

ID: 815730

6-chloro-2-methoxypyridine-3-carbaldehyde			$$$$
M. F.	C7H6ClNO2	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 A&J Pharmtech AJA-O38133 Database Data ID
M. W.	171.58104
CAS	95652-81-6
Similarity	N/A

ID: 815731

1-(6-chloro-2-methoxypyridin-3-yl)ethan-1-one			$$$$
M. F.	C8H8ClNO2	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 A&J Pharmtech AJA-O38135 Database Data ID
M. W.	185.60762
CAS	1060806-87-2
Similarity	N/A

ID: 815732

1-(2-chloropyridin-3-yl)-2,2,2-trifluoroethan-1-one			$$$$
M. F.	C7H3ClF3NO	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 A&J Pharmtech AJA-O38137 Database Data ID
M. W.	209.5530296
CAS	1057657-62-1
Similarity	N/A

ID: 815733

6-bromo-4-(trifluoromethyl)pyridine-2-carboxylic acid			$$$$
M. F.	C7H3BrF3NO2	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 A&J Pharmtech AJA-O38139 Database Data ID
M. W.	270.0034296
CAS	1060805-49-3
Similarity	N/A

ID: 815734

5-(propan-2-yl)-1,3-oxazol-2-amine			$$$$
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 A&J Pharmtech AJA-O38140 Database Data ID
M. W.	126.1564
CAS	33124-06-0
Similarity	N/A

ID: 815735

7-bromo-1,4-dioxaspiro[4.5]decan-8-one			$$$$
M. F.	C8H11BrO3	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 A&J Pharmtech AJA-O38142 Database Data ID
M. W.	235.07514
CAS	943589-83-1
Similarity	N/A

ID: 815736

5-chloroisoquinolin-1-ol			$$$$
M. F.	C9H6ClNO	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 A&J Pharmtech AJA-O38143 Database Data ID
M. W.	179.60304
CAS	24188-73-6
Similarity	N/A

ID: 815737

1-(2-methoxypyridin-3-yl)ethan-1-one			$$$$
M. F.	C8H9NO2	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 A&J Pharmtech AJA-O38144 Database Data ID
M. W.	151.16256
CAS	131674-40-3
Similarity	N/A

ID: 815738

2-(propan-2-yl)-1,3-oxazole-4-carboxylic acid			$$$$
M. F.	C7H9NO3	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 A&J Pharmtech AJA-O38145 Database Data ID
M. W.	155.15126
CAS	153180-21-3
Similarity	N/A

ID: 815739

2-tert-butyl-1,3-oxazole-4-carboxylic acid			$$$$
M. F.	C8H11NO3	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 A&J Pharmtech AJA-O38146 Database Data ID
M. W.	169.17784
CAS	1060816-08-1
Similarity	N/A

ID: 815740

1-[4-(trifluoromethyl)pyridin-3-yl]ethan-1-one			$$$$
M. F.	C8H6F3NO	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 A&J Pharmtech AJA-O38147 Database Data ID
M. W.	189.1345496
CAS	955997-27-0
Similarity	N/A

ID: 815741

1-[2-(trifluoromethyl)pyridin-4-yl]ethan-1-one			$$$$
M. F.	C8H6F3NO	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 A&J Pharmtech AJA-O38148 Database Data ID
M. W.	189.1345496
CAS	1060810-86-7
Similarity	N/A

ID: 815742

1-[2-(trifluoromethyl)pyridin-3-yl]ethan-1-one			$$$$
M. F.	C8H6F3NO	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 A&J Pharmtech AJA-O38149 Database Data ID
M. W.	189.1345496
CAS	1060810-84-5
Similarity	N/A

ID: 815743

1-(4-bromopyridin-3-yl)ethan-1-one			$$$$
M. F.	C7H6BrNO	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 A&J Pharmtech AJA-O38150 Database Data ID
M. W.	200.03264
CAS	192575-17-0
Similarity	N/A

ID: 815744

2-bromo-N-methoxy-N-methylpyridine-4-carboxamide			$$$$
M. F.	C8H9BrN2O2	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 A&J Pharmtech AJA-O38151 Database Data ID
M. W.	245.07326
CAS	656257-69-1
Similarity	N/A

ID: 815745

2-(trifluoromethyl)-5,6,7,8-tetrahydro-1,6-naphthyridine			$$$$
M. F.	C9H9F3N2	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 A&J Pharmtech AJA-O38155 Database Data ID
M. W.	202.1763696
CAS	794461-84-0
Similarity	N/A

ID: 815746

ethyl 5,6,7,8-tetrahydro-1,6-naphthyridine-3-carboxylate			$$$$
M. F.	C11H14N2O2	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 A&J Pharmtech AJA-O38156 Database Data ID
M. W.	206.24106
CAS	741736-93-6
Similarity	N/A

ID: 815747

5,6,7,8-tetrahydro-1,6-naphthyridin-2-amine			$$$$
M. F.	C8H11N3	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 A&J Pharmtech AJA-O38157 Database Data ID
M. W.	149.19304
CAS	912366-00-8
Similarity	N/A

ID: 815748

7-(trifluoromethyl)-1,2,3,4-tetrahydro-2,6-naphthyridine			$$$$
M. F.	C9H9F3N2	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 A&J Pharmtech AJA-O38158 Database Data ID
M. W.	202.1763696
CAS	765298-22-4
Similarity	N/A

ID: 815749

2-(3,3-difluoropyrrolidin-1-yl)ethan-1-amine			$$$$
M. F.	C6H12F2N2	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 A&J Pharmtech AJA-O38159 Database Data ID
M. W.	150.1696864
CAS	867008-81-9
Similarity	N/A

ID: 815750

2-[2-(trifluoromethyl)pyridin-4-yl]ethan-1-amine			$$$$
M. F.	C8H9F3N2	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 A&J Pharmtech AJA-O38161 Database Data ID
M. W.	190.1656696
CAS	1060811-11-1
Similarity	N/A

• ID:815701

  

  ethyl 2-[3-(1H-1,2,3,4-tetrazol-1-yl)pyridin-2-yl]acetate

• ID:815702

  

  methyl 1-benzylpiperidine-2-carboxylate

• ID:815703

  

  1-(4-chloropyridin-3-yl)ethan-1-one

• ID:815704

  

  ethyl 3-methylpyridine-2-carboxylate

• ID:815705

  

  N-(5-amino-3-methylpyridin-2-yl)acetamide

• ID:815706

  

  2-(4,4-difluorocyclohex-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

• ID:815707

  

  3-bromo-6-nitro-1H-indole

• ID:815708

  

  1-(4-bromophenyl)-2-methylpropan-2-amine

• ID:815709

  

  1-(2-bromophenyl)-2-methylpropan-2-amine

• ID:815710

  

  3-(3-bromophenyl)propanamide

• ID:815711

  

  5-ethynyl-1H-indole

• ID:815712

  

  1-(3-chloropyridin-2-yl)ethan-1-one

• ID:815713

  

  ethyl 3-amino-6-bromopyridine-2-carboxylate

• ID:815714

  

  4-fluoropyridin-3-ol

• ID:815715

  

  tert-butyl (2S)-2-(aminomethyl)morpholine-4-carboxylate

• ID:815716

  

  2-methoxy-5-(pyridin-2-yl)pyridine

• ID:815717

  

  2-chloro-4-phenyl-1,3-oxazole

• ID:815718

  

  5-(benzyloxy)pyridine-3-carboxylic acid

• ID:815719

  

  5-bromo-6-chloropyridine-3-carbaldehyde

• ID:815720

  

  5-chloro-1,2-dihydroisoquinolin-1-one

• ID:815721

  

  N,N-dimethylpyrimidin-2-amine

• ID:815722

  

  7-chloroisoquinolin-1-amine

• ID:815723

  

  5-(4-methoxyphenyl)-1,3-oxazol-2-amine

• ID:815724

  

  5-(4-methylphenyl)-1,3-oxazol-2-amine

• ID:815725

  

  6-chloropyridine-2-sulfonyl chloride

• ID:815726

  

  1-[4-(trifluoromethyl)-1,3-thiazol-2-yl]ethan-1-one

• ID:815727

  

  5-(trifluoromethyl)-1,2-oxazol-3-amine

• ID:815728

  

  1-(2-chloro-6-methylpyridin-3-yl)ethan-1-one

• ID:815729

  

  1-(2,6-dichloropyridin-4-yl)ethan-1-one

• ID:815730

  

  6-chloro-2-methoxypyridine-3-carbaldehyde

• ID:815731

  

  1-(6-chloro-2-methoxypyridin-3-yl)ethan-1-one

• ID:815732

  

  1-(2-chloropyridin-3-yl)-2,2,2-trifluoroethan-1-one

• ID:815733

  

  6-bromo-4-(trifluoromethyl)pyridine-2-carboxylic acid

• ID:815734

  

  5-(propan-2-yl)-1,3-oxazol-2-amine

• ID:815735

  

  7-bromo-1,4-dioxaspiro[4.5]decan-8-one

• ID:815736

  

  5-chloroisoquinolin-1-ol

• ID:815737

  

  1-(2-methoxypyridin-3-yl)ethan-1-one

• ID:815738

  

  2-(propan-2-yl)-1,3-oxazole-4-carboxylic acid

• ID:815739

  

  2-tert-butyl-1,3-oxazole-4-carboxylic acid

• ID:815740

  

  1-[4-(trifluoromethyl)pyridin-3-yl]ethan-1-one

• ID:815741

  

  1-[2-(trifluoromethyl)pyridin-4-yl]ethan-1-one

• ID:815742

  

  1-[2-(trifluoromethyl)pyridin-3-yl]ethan-1-one

• ID:815743

  

  1-(4-bromopyridin-3-yl)ethan-1-one

• ID:815744

  

  2-bromo-N-methoxy-N-methylpyridine-4-carboxamide

• ID:815745

  

  2-(trifluoromethyl)-5,6,7,8-tetrahydro-1,6-naphthyridine

• ID:815746

  

  ethyl 5,6,7,8-tetrahydro-1,6-naphthyridine-3-carboxylate

• ID:815747

  

  5,6,7,8-tetrahydro-1,6-naphthyridin-2-amine

• ID:815748

  

  7-(trifluoromethyl)-1,2,3,4-tetrahydro-2,6-naphthyridine

• ID:815749

  

  2-(3,3-difluoropyrrolidin-1-yl)ethan-1-amine

• ID:815750

  

  2-[2-(trifluoromethyl)pyridin-4-yl]ethan-1-amine