5-(Bromomethyl)-3-(difluoromethyl)-2-methoxypyridine-4-carboxaldehyde
Methyl 6-(bromomethyl)-2-(difluoromethyl)-4-methoxypyridine-3-carboxylate
3-(Bromomethyl)-5-(difluoromethyl)-4-methoxypyridine-2-carboxaldehyde
4-(Bromomethyl)-3-(difluoromethyl)-6-methoxypyridine-2-carboxaldehyde