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