InChI=1S/C22H38O8/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/h7-8,17-20,22,24-26H,2-6,9-15H2,1H3,(H,27,28)/b8-7-