2-Ethyl-5-trifluoromethyl-2 H -pyrazole-3-carboxylic acid hydrazide

1-Methanesulfonyl-piperidine-4-carboxylic acid hydrazide

2-Hydrazino-3-methyl-3 H -quinazolin-4-one

3-Amino-2-hydrazino-3 H -quinazolin-4-one

(3-Amino-4-oxo-3,4-dihydro-quinazolin-2-ylsulfanyl)-acetic acid ethyl ester

2-(4-Chloro-pyrazol-1-yl)-propionic acid hydrazide

3-Ethylsulfanyl-5-methyl-[1,2,4]triazol-4-ylamine

1-(4-Chloro-3-methyl-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid hydrazide

1-(4-Bromo-pyrazol-1-ylmethyl)-1 H -pyrazole-3-carboxylic acid hydrazide

1-(3,5-Dimethyl-pyrazol-1-ylmethyl)-1 H -pyrazole-3-carboxylic acid hydrazide

5-(3,4-Dichloro-phenyl)-1 H -pyrazole-3-carboxylic acid hydrazide

4-Nitro-pyrazol-1-ylamine

5-Methyl-7-(perfluoroethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carbohydrazide

4,5-Dibromo-2 H -pyrazole-3-carboxylic acid hydrazide

2-Methyl-2 H -pyrazole-3-carboxylic acid hydrazide