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