CAS No:37239-47-7||Chemical Formula:C41H47NO19||Molecular Weight:857.815||Exact Mass:857.27423||55a-(acetoxymethyl)-57-((furan-3-carbonyl)oxy)-59-hydroxy-52,59,8-trimethyl-2,7-dioxo-53,54,55,55a,56,57,58,59-octahydro-52H-3,6-dioxa-1(3,2)-pyridina-5(2,8)-3,9a-methanobenzo[b]oxepinacyclodecaphane-54,55,56,510-tetrayl tetraacetate