InChI=1S/C20H34O10/c21-11-9-7-5-3-1-2-4-6-8-10-13(22)12-14(23)29-20-17(26)15(24)16(25)18(30-20)19(27)28/h15-18,20-21,24-26H,1-12H2,(H,27,28)