InChI=1S/C26H26O11/c1-26(25(34)35)12-20(31)24(37-23(33)9-5-15-3-7-17(28)19(30)11-15)21(13-26)36-22(32)8-4-14-2-6-16(27)18(29)10-14/h2-11,20-21,24,27-31H,12-13H2,1H3,(H,34,35)/b8-4+,9-5+/t20-,21-,24-,26-/m1/s1