5-Cyano-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Fluoro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-acetic acid
3-(Difluoromethyl)-6-fluoro-2-methoxy-4-(trifluoromethoxy)pyridine
3-Cyano-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylic acid