InChI=1S/C40H38O10/c1-20(2)4-9-26-32(44)14-12-28(38(26)48)40(50)36-29(25-10-8-24(42)19-35(25)47)16-21(3)17-30(36)37-33(45)15-11-27(39(37)49)31(43)13-6-22-5-7-23(41)18-34(22)46/h4-8,10-15,17-19,29-30,36,41-42,44-49H,9,16H2,1-3H3/b13-6+