InChI=1S/C26H26O11/c1-11(2)7-8-13-15(27)10-16(28)19-14(9-18(29)36-23(13)19)12-5-3-4-6-17(12)35-26-22(32)20(30)21(31)24(37-26)25(33)34/h3-7,9-10,20-22,24,26-28,30-32H,8H2,1-2H3,(H,33,34)