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