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