Ethyl 4-(chloromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 4-(chloromethyl)-2-methyl-6-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-(chloromethyl)-2-methyl-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-(chloromethyl)-5-methyl-6-(trifluoromethoxy)pyridine-2-carboxylate