(4-Chloro-pyrazol-1-yl)-acetic acid hydrazide

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

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

4-Iodo-1 H -pyrazole-3-carboxylic acid hydrazide

5-Methyl-7-trifluoromethyl-4,5,6,7-tetrahydro-pyrazolo[1,5- a ]pyrimidine-2-carboxylic acid hydrazide

4-Chloro-2-ethyl-2 H -pyrazole-3-carboxylic acid hydrazide

3-[(2,4-Difluorophenoxy)methyl]benzohydrazide

4-[(2,6-Dimethylphenoxy)methyl]benzohydrazide

5-(3-Methyl-4-nitro-phenoxymethyl)furan-2-carbohydrazide

5-[(2,3-Dichlorophenoxy)methyl]furan-2-carbohydrazide

5-Amino-6-methyl-1,2,3,5-tetrahydro-8-thia-5,7-diaza-cyclopenta[ a ]inden-4-one