InChI=1S/C39H40O20/c40-19-6-3-17(4-7-19)2-1-9-53-15-27-31(47)33(49)36(52)39(58-27)57-26-13-21-24(55-37(26)18-5-8-22(42)23(43)10-18)11-20(41)12-25(21)56-38-35(51)34(50)32(48)28(59-38)16-54-30(46)14-29(44)45/h1-8,10-13,27-28,31-36,38-39,47-52H,9,14-16H2,(H4-,40,41,42,43,44,45)/p+1