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