InChI=1S/C28H34O10/c1-13(29)35-21-18(31)19-24(2,3)37-16-10-17(30)34-12-27(16,19)15-6-8-25(4)20(14-7-9-33-11-14)36-23(32)22-28(25,38-22)26(15,21)5/h7,9,11,15-16,18-22,31H,6,8,10,12H2,1-5H3