4-(4-Fluoro-3-trifluoromethyl-phenyl)-N-hydroxy-pyridine-2-carboxamidine

4-(2,5-Bis-trifluoromethyl-phenyl)-pyridine

4-(5-Methoxy-2-trifluoromethyl-phenyl)-pyridine-2-carbonitrile

N-Hydroxy-4-o-tolyl-pyridine-2-carboxamidine

N-Hydroxy-4-(3-trifluoromethyl-phenyl)-pyridine-2-carboxamidine

4-(2-Fluoro-5-trifluoromethyl-phenyl)-pyridine-2-carbonitrile

4-(4-Chloro-2-trifluoromethyl-phenyl)-N-hydroxy-pyridine-2-carboxamidine

3-Methyl-quinoxaline-2-carboxylic acid methyl ester

3-Ethyl-6,7-dimethyl-quinoxaline-2-carboxylic acid ethyl ester

3-Methyl-6-nitro-quinoxaline-2-carboxylic acid ethyl ester

3-Pyridin-4-yl-quinoxaline-2-carboxylic acid