InChI=1S/C26H26O11/c1-13(27)33-12-21-23(30)24(31)25(35-14(2)28)26(37-21)36-17-8-9-18-20(10-17)34-11-19(22(18)29)15-4-6-16(32-3)7-5-15/h4-11,21,23-26,30-31H,12H2,1-3H3