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