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