InChI=1S/C28H46O9/c1-2-20-21(35-20)18-16-14-12-10-8-6-4-3-5-7-9-11-13-15-17-19-22(29)36-28-25(32)23(30)24(31)26(37-28)27(33)34/h8,10,14,16,20-21,23-26,28,30-32H,2-7,9,11-13,15,17-19H2,1H3,(H,33,34)/b10-8-,16-14-