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