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