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