InChI=1S/C27H30O11/c1-11(2)4-5-13-17(37-27-22(31)20(29)21(30)25(38-27)26(32)33)7-6-14-23(13)35-10-15-19-16(28)8-12(34-3)9-18(19)36-24(14)15/h4,6-9,15,20-22,24-25,27-31H,5,10H2,1-3H3,(H,32,33)