InChI=1S/C32H42O20/c1-9-23(50-31-21(40)17(36)18(37)26(51-31)28(42)43)19(38)22(41)29(46-9)45-8-12-15(34)16(35)20(39)30(47-12)52-27-24-10(4-5-14(33)49-24)6-11-7-13(32(2,3)44)48-25(11)27/h4-6,9,12-13,15-23,26,29-31,34-41,44H,7-8H2,1-3H3,(H,42,43)