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

3-Phenyl-[1,2,4]oxadiazole-5-carboxylic acid hydrazide

1-(4-Bromo-2-chloro-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid hydrazide

1-(4-Hydrazino-benzenesulfonyl)-piperidine-3-carboxylic acid hydrazide

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

2-(4-Bromo-pyrazol-1-yl)-butyric acid hydrazide

1-(4-Bromo-3,5-dimethyl-pyrazol-1-ylmethyl)-1 H -pyrazole-3-carboxylic acid hydrazide

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

1-(2,6-Dichloro-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid hydrazide

(2- p -Tolyl-5-trifluoromethyl-2 H -pyrazol-3-yloxy)-acetic acid hydrazide

5-Cyclopropyl-1 H -pyrazole-3-carboxylic acid hydrazide