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