1(3H)-Isobenzofuranone, 3-(1-ethyl-2-methyl-1H-indol-3-yl)-3-(4-diethylaminophenyl)- 1(3H)-Isobenzofuranone, 3-(4-(diethylamino)phenyl)-3-(1-ethyl-2-methyl-1H-indol-3-yl)- 3-(4-(Diethylamino)phenyl)-3-(1-ethyl-2-methyl-1H-indol-3-yl)phthalide 75805-17-3 EINECS 278-318-6