1-Methyl-5-oxo-3-pyrrolidinecarbohydrazide

4-Amino-5-(4-methylphenyl)-4H-1,2,4-triazole-3-thiol

1-(4-Amino-phenyl)-3-cyclohexyl-urea;hydrochloride

4-Hydrazino-4-oxobutanamide

5,6,7,8-Tetrahydro-4H-cyclohepta[b]thiophene-2-carbohydrazide

2-Cyclopropylquinoline-4-carbohydrazide

4-(1H-Pyrrol-1-yl)benzohydrazide

2-(4-Nitrophenyl)acetohydrazide

2,2-diphenylacetohydrazide

3,5-Dichloro-4-hydroxybenzohydrazide

2-(2,6-Dichlorophenyl)acetohydrazide