InChI=1S/C40H43NO9/c1-12-38(3,4)22-16-20-33(44)27-21(18-40(7,8)50-36(27)29(39(5,6)13-2)34(20)49-37(22)45)26-25(47-10)17-23(42)28-31(26)41-30-19(32(28)43)14-15-24(46-9)35(30)48-11/h12-17,21,42,44H,1-2,18H2,3-11H3,(H,41,43)