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