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