InChI=1S/C28H46O9/c1-2-3-18-21(29)19-16-14-12-10-8-6-4-5-7-9-11-13-15-17-20-22(30)36-28-25(33)23(31)24(32)26(37-28)27(34)35/h3,10,12,16,18-19,21,23-26,28-29,31-33H,2,4-9,11,13-15,17,20H2,1H3,(H,34,35)/b12-10-,18-3-,19-16-