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