Methyl 2-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-acetate
3-(Chloromethyl)-2-fluoro-4-methyl-6-(trifluoromethoxy)pyridine
Ethyl 4-cyano-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-carboxylate
3-Cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetic acid