4-Amino-5-ethyl-4 H -[1,2,4]triazole-3-thiol

1-Ethanesulfonyl-piperidine-4-carboxylic acid hydrazide

(4-Chloro-5-cyclopropyl-3-difluoromethyl-pyrazol-1-yl)-acetic acid hydrazide

1-(2-Chloro-benzyl)-piperidine-3-carboxylic acid hydrazide

2-(4-Chloro-phenoxymethyl)-2 H -pyrazole-3-carboxylic acid hydrazide

2-(5-Methyl-3-nitro-pyrazol-1-yl)-propionic acid hydrazide

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

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

1-(3-Nitro-[1,2,4]triazol-1-ylmethyl)-1 H -pyrazole-3-carboxylic acid hydrazide

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

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