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