InChI=1S/C20H27NO10/c1-9-13(22)15(24)17(26)19(29-9)28-8-12-14(23)16(25)18(27)20(31-12)30-11(7-21)10-5-3-2-4-6-10/h2-6,9,11-20,22-27H,8H2,1H3