InChI=1S/C34H30O11/c35-21-13-20(14-22(36)15-21)27-26-19(7-6-17-4-2-1-3-5-17)12-23(37)16-25(26)44-31(27)18-8-10-24(11-9-18)43-34-30(40)28(38)29(39)32(45-34)33(41)42/h1-16,27-32,34-40H,(H,41,42)/b7-6-