1(3H)-Isobenzofuranone, 3,3-bis(1-ethyl-2-methyl-1H-indol-3-yl)- 109679-95-0 22091-92-5 3,3-Bis(1-ethyl-2-methyl-1H-indol-3-yl)phthalide EINECS 244-771-3