InChI=1S/C37H52O13/c1-17-19-9-10-24-34(5)14-22(41)31(37(8,47)25(42)11-12-33(3,4)50-18(2)39)35(34,6)15-26(43)36(24,7)20(19)13-21(40)30(17)49-32-29(46)28(45)27(44)23(16-38)48-32/h9-13,22-25,27-29,31-32,38,40-42,44-47H,14-16H2,1-8H3/b12-11+