InChI=1S/C26H34O8/c1-12-11-13-23(4)10-9-14(27)22(2,3)16(23)15(28)18(29)25(13,6)17-19(30)34-26(7,21(32)33-8)20(31)24(12,17)5/h13,16-18,29H,1,9-11H2,2-8H3/t13-,16?,17-,18+,23-,24?,25-,26-/m1/s1