InChI=1S/C22H34O8/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16(23)29-22-19(26)17(24)18(25)20(30-22)21(27)28/h2,6-7,9-10,17-20,22,24-26H,1,3-5,8,11-15H2,(H,27,28)/b7-6-,10-9-