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