InChI=1S/C27H34O8/c1-13-16-12-32-24(30)20(16)22(31-7)15-10-18-26(5)9-8-19(29)34-25(3,4)23(26)17(33-14(2)28)11-27(18,6)35-21(13)15/h17-18,23H,8-12H2,1-7H3