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