2-(4-Oxo-6-propyl-4 H -thieno[2,3- d ]pyrimidin-3-yl)-propionic acid hydrazide

(4-Furan-2-yl-6-trifluoromethyl-pyrimidin-2-yl)-hydrazine

1-(1-Methyl-1 H -pyrazole-4-sulfonyl)-piperidine-3-carboxylic acid hydrazide

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

2-(4-Bromo-3,5-dimethyl-pyrazol-1-yl)-propionic acid hydrazide

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

2-(2,4-Difluoro-phenoxymethyl)-benzoic acid hydrazide

3-Difluoromethyl-5-methylsulfanyl-[1,2,4]triazol-4-ylamine

3-Difluoromethyl-5-ethylsulfanyl-[1,2,4]triazol-4-ylamine

1-(4- tert -Butyl-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid hydrazide

1-(4-Chloro-3,5-dimethyl-phenoxymethyl)-1 H -pyrazole-3-carboxylic acid hydrazide