5-Cyano-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetic acid
6-Chloro-2-(fluoromethyl)-4-methyl-3-(trifluoromethoxy)pyridine
5-Chloro-2-methyl-3-(trifluoromethoxy)pyridine-4-acetonitrile
6-Chloro-3-(fluoromethyl)-4-methyl-2-(trifluoromethoxy)pyridine