Methyl 4-(chloromethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-3-acetate
Methyl 3-cyano-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 6-cyano-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 6-cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate