5-(Bromomethyl)-3-cyano-4-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 2-(difluoromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-5-acetate
3-(Chloromethyl)-5-cyano-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine
Ethyl 2-(difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-6-acetate