5-Chloro-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid
3-Cyano-4-fluoro-2-methoxy-6-(trifluoromethoxy)pyridine
3-Chloro-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetic acid
3-Cyano-2-fluoro-6-methoxy-4-(trifluoromethoxy)pyridine