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