IUPAC:N-(3-{2-azatricyclo[10.4.0.0^{4,9}]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl}-3-oxopropyl)-3',6'-bis(dimethylamino)-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carboxamide
IUPAC:N-(3-{2-azatricyclo[10.4.0.0^{4,9}]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl}-3-oxopropyl)-3',6'-bis(dimethylamino)-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-5-carboxamide