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