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