3-(Aminomethyl)-6-(difluoromethyl)-4-methoxypyridine-2-carboxaldehyde
5-(Aminomethyl)-2-(difluoromethyl)-4-methoxypyridine-3-carboxaldehyde
5-(Aminomethyl)-2-(difluoromethyl)-3-methoxypyridine-6-carboxaldehyde
5-(Aminomethyl)-2-(difluoromethyl)-3-methoxypyridine-4-carboxaldehyde