InChI=1S/C22H38O8/c23-16-12-10-8-6-4-2-1-3-5-7-9-11-15(13-16)14-29-22-19(26)17(24)18(25)20(30-22)21(27)28/h15,17-20,22,24-26H,1-14H2,(H,27,28)