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