InChI=1S/C27H28O11/c1-27(2)11-10-14-16(38-27)9-8-15(21(14)34-3)22-23(36-22)17(28)12-4-6-13(7-5-12)35-26-20(31)18(29)19(30)24(37-26)25(32)33/h4-11,18-20,22-24,26,29-31H,1-3H3,(H,32,33)