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