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