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

(5-Methyl-1H-pyrazol-1-yl)acetic acid hydrazide

(3-Methyl-1H-pyrazol-1-yl)acetic acid hydrazide

3-[(4-Bromophenoxy)methyl]-4-methoxybenzohydrazide

2-(4-Nitro-1H-pyrazol-1-yl)acetohydrazide

2-(3,5-Dimethyl-4-nitro-1H-pyrazol-1-yl)acetohydrazide

1,5-Dimethyl-1 H -pyrazole-3-carboxylic acid hydrazide

2-(2-Nitro-phenoxy)-propionic acid hydrazide

5-(4-Ethyl-phenoxymethyl)-furan-2-carboxylic acidhydrazide

5-(4- tert -Butyl-phenoxymethyl)-furan-2-carboxylic acid hydrazide

5-(4-Chloro-3-methyl-phenoxymethyl)-furan-2-carboxylic acid hydrazide