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