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