2- p -Tolyl-cyclopropanecarboxylic acid hydrazide

5-(2-Nitro-phenoxymethyl)-furan-2-carboxylic acidhydrazide

5-(2-Bromo-phenoxymethyl)-furan-2-carboxylic acidhydrazide

3-(2-Methoxy-phenoxymethyl)-benzoic acid hydrazide

3-(4-Bromo-pyrazol-1-ylmethyl)-benzoic acid hydrazide

5'-Trifluoromethyl-3,4,5,6-tetrahydro-2 H -[1,2']bipyridinyl-4-carboxylic acid hydrazide

6-Chloro-3 H -isobenzofuran-1-one

6-Chloro-7-nitro-3 H -isobenzofuran-1-one

4-(4-Methoxy-phenyl)-2-oxo-2,3-dihydro-thiazole-5-carboxylic acid ethyl ester

2-Oxo-4- p -tolyl-2,3-dihydro-thiazole-5-carboxylic acid ethyl ester

4-(4-Bromo-phenyl)-2-oxo-2,3-dihydro-thiazole-5-carboxylic acid ethyl ester