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