3-(2'-Ethoxy-4'-diethylaminophenyl)-3-(1',2'-dimethylindol-3'-yl)phthalide

3-[4-(diethylamino)-2-ethoxyphenyl]-3-(1,2-dimethyl-1H-indol-3-yl)phthalide

3-[4-(Diethylamino)-2-ethoxyphenyl]-3-(1,2-dimethyl-1H-indol-3-yl)isobenzofuran-1(3H)-one