Ethyl 4-(bromomethyl)-2-(difluoromethyl)-5-methoxypyridine-3-carboxylate
2-(Bromomethyl)-3-(difluoromethyl)-4-methoxypyridine-5-acetic acid
Ethyl 4-(bromomethyl)-2-(difluoromethyl)-3-methoxypyridine-5-carboxylate
Ethyl 3-(bromomethyl)-6-(difluoromethyl)-2-methoxypyridine-5-carboxylate