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