InChI=1S/C39H46O13/c1-17(2)8-9-20-29-21(11-12-36(4,5)50-29)30(48-35-28(44)26(42)27(43)32(49-35)34(46)47)24-25(41)22-14-19-15-23-37(6,7)52-38(33(19)45,13-10-18(3)16-40)39(22,23)51-31(20)24/h8,10-12,14,19,23,26-28,32,35,40,42-44H,9,13,15-16H2,1-7H3,(H,46,47)/b18-10-