InChI=1S/C40H36O11/c1-18(2)4-6-26-39(50)36-32(47)16-24(44)17-33(36)51-40(26)27-8-9-30(45)35(38(27)49)29-11-19(3)10-28(25-7-5-21(41)15-31(25)46)34(29)37(48)20-12-22(42)14-23(43)13-20/h4-5,7-9,11-17,28-29,34,41-47,49H,6,10H2,1-3H3