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