2-(Bromomethyl)-3-(difluoromethyl)-6-methoxypyridine-4-carboxaldehyde
2-(Bromomethyl)-3-(difluoromethyl)-5-methoxypyridine-4-carboxaldehyde
2-(Bromomethyl)-3-(difluoromethyl)-4-methoxypyridine-5-carboxaldehyde
3-(Bromomethyl)-6-(difluoromethyl)-2-methoxypyridine-5-methanol