Ethyl 3-(bromomethyl)-2-methoxy-6-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 2-methyl-3-nitro-4-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 3-(bromomethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 3-methyl-6-nitro-4-(trifluoromethoxy)pyridine-2-carboxylate