2-(Chloromethyl)-6-cyano-4-iodo-3-(trifluoromethoxy)pyridine
4-Chloro-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetic acid
2-(Chloromethyl)-5-cyano-6-iodo-3-(trifluoromethoxy)pyridine
5-Chloro-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid