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