Ethyl 3-fluoro-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 3-fluoro-5-(fluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylate
2-(Bromomethyl)-3-cyano-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine
5-(Difluoromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-acetic acid