InChI=1S/C30H30O9/c1-2-23(18-7-4-3-5-8-18)24(19-11-13-21(14-12-19)37-16-15-31)20-9-6-10-22(17-20)38-30-27(34)25(32)26(33)28(39-30)29(35)36/h3-15,17,25-28,30,32-34H,2,16H2,1H3,(H,35,36)/b24-23+