Synonyms: Fim 1;Fim-1;Spiro(isobenzofuran-1(3H),9'-(9H)xanthene)-5-carboxamide, 3',6'-bis(acetyloxy)-N-(3-(3-(2,5-dihydro-4-(1-methyl-1H-indol-3-yl)-2,5-dioxo-1H-pyrrol-3-yl)-1H-indol-1-yl)propyl)-3-oxo-;5-[(3-{3-[4-(1-methyl-1H-indol-3-yl)-2,5-dioxo-2,5-dihydro-1H-pyrrol-3-yl]-1H-indol-1-yl}propyl)carbamoyl]-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-diyl diacetate