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