5-(Aminomethyl)-4-(difluoromethyl)-3-methylpyridine-2-carboxaldehyde
3-(Aminomethyl)-2-(difluoromethyl)-6-methylpyridine-5-carboxaldehyde
3-(Difluoromethyl)-2-methyl-6-nitropyridine-4-acetonitrile
3-(Aminomethyl)-2-(difluoromethyl)-5-methylpyridine-6-carboxaldehyde