InChI=1S/C28H34O9/c1-14(29)33-19-11-18-24(2,3)35-16-10-20(30)36-27(18,12-16)17-6-8-25(4)21(15-7-9-32-13-15)34-23(31)22-28(25,37-22)26(17,19)5/h7,9,13,16-19,21-22H,6,8,10-12H2,1-5H3