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