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