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