InChI=1S/C27H32O9/c1-23(2)18-17(29)19(30)25(4)15(26(18,13-34-23)10-7-16(28)32-5)6-9-24(3)20(14-8-11-33-12-14)35-22(31)21-27(24,25)36-21/h7-8,10-12,15,18-21,30H,6,9,13H2,1-5H3/b10-7-/t15-,18-,19-,20-,21+,24-,25-,26-,27+/m0/s1