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2-[(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)sulfanyl]acetic acid
2-[(5-ethyl-4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)sulfanyl]acetic acid
6-ethyl-2-hydrazinyl-3,4-dihydropyrimidin-4-one
2-hydrazinyl-5,6-dimethyl-3,4-dihydropyrimidin-4-one
5-ethyl-2-hydrazinyl-6-methyl-3,4-dihydropyrimidin-4-one
2-hydrazinyl-6-phenyl-3,4-dihydropyrimidin-4-one
5-ethyl-3-sulfanyl-7H,8H-[1,2,4]triazolo[4,3-a]pyrimidin-7-one
5-propyl-3-sulfanyl-7H,8H-[1,2,4]triazolo[4,3-a]pyrimidin-7-one
5-phenyl-3-sulfanyl-7H,8H-[1,2,4]triazolo[4,3-a]pyrimidin-7-one
ethyl 5-amino-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazole-4-carboxylate
5-amino-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazole-4-carbonitrile
ethyl 5-amino-1-(4-ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazole-4-carboxylate
5-amino-1-(4-ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazole-4-carbonitrile
ethyl 5-amino-1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazole-4-carboxylate
5-amino-1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazole-4-carbonitrile
ethyl 5-amino-1-(5-ethyl-4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazole-4-carboxylate
5-amino-1-(5-ethyl-4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazole-4-carbonitrile
6-sulfanyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(2-hydroxyethyl)-6-sulfanyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-phenyl-6-sulfanyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(3-chlorophenyl)-6-sulfanyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(4-fluorophenyl)-6-sulfanyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(4-methylphenyl)-6-sulfanyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(4-chlorophenyl)-6-sulfanyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(3,4-dimethylphenyl)-6-sulfanyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(2-hydroxyethyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-tert-butyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(2-methylphenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(4-fluorophenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(4-methylphenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(3,4-dimethylphenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(2,3-dimethylphenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
1-(4-fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidine-4-thiol
5-amino-1-tert-butyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
5-amino-1-(4-methylphenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
5-amino-1-(4-chlorophenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
5-amino-1-(4-fluorophenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
5-amino-1-(3,4-dimethylphenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
2-(methoxycarbonyl)pyridine-3-carboxylic acid
3-[(4-methylphenyl)methyl]-1H,2H,3H,4H-pyrido[3,2-d]pyrimidine-2,4-dione
3-[(4-chlorophenyl)methyl]-1H,2H,3H,4H-pyrido[3,2-d]pyrimidine-2,4-dione
3-[(4-methoxyphenyl)methyl]-1H,2H,3H,4H-pyrido[3,2-d]pyrimidine-2,4-dione
3-(2-phenylethyl)-1H,2H,3H,4H-pyrido[3,2-d]pyrimidine-2,4-dione
3-[2-(3,4-dimethoxyphenyl)ethyl]-1H,2H,3H,4H-pyrido[3,2-d]pyrimidine-2,4-dione
5-benzoyl-2-methyl-1,3-thiazole-4-carboxylic acid
5-(4-fluorobenzoyl)-2-methyl-1,3-thiazole-4-carboxylic acid
2-methyl-5-(thiophene-2-carbonyl)-1,3-thiazole-4-carboxylic acid
methyl 5-benzoyl-2-methyl-1,3-thiazole-4-carboxylate
methyl 2-methyl-5-(thiophene-2-carbonyl)-1,3-thiazole-4-carboxylate
methyl 2-amino-5-(4-chlorobenzoyl)-1,3-thiazole-4-carboxylate