methyl 5-(chloromethyl)-7-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxylate

2-oxo-2,3-dihydro-1H-benzimidazole-5-sulfonic acid

2-[(4-methyl-5-phenyl-4H-1,2,4-triazol-3-yl)thio]acetohydrazide

N-[4-(hydrazinocarbonyl)phenyl]propanamide

N-[3-(hydrazinocarbonyl)phenyl]-4-methylbenzamide

2-[(3-methylphenyl)amino]propanohydrazide

2-[(4-chlorophenyl)amino]acetohydrazide

4-hydrazino-N-(4-methylphenyl)-4-oxobutanamide

2-[(2,6-dibromo-4-methylphenyl)amino]acetohydrazide

2-{[5-(1H-1,2,3-benzotriazol-1-ylmethyl)-4-phenyl-4H-1,2,4-triazol-3-yl]thio}acetohydrazide

N-(4-chloro-2-methylphenyl)-4-hydrazino-4-oxobutanamide