3,3-Bis(4-(dimethylamino)phenyl)phthalide, malachite green lactone, 1(3H)-Isobenzofuranone,3,3-bis[4-(dimethylamino)phenyl], 3,3-bis-p-dimethylaminophenylphthalide <malachite green lactone (MGL)>, 3,3-Bis-(4-dimethylamino-phenyl)-phthalid, 3,3-bis-(4-dimethylamino-phenyl)-3H-isobenzofuran-1-one, 3,3-di-p-dimethylaminophenylphthalide