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