InChI=1S/C34H30O11/c35-21-10-8-18(9-11-21)31-27(20-12-22(36)15-23(37)13-20)26-19(7-6-17-4-2-1-3-5-17)14-24(16-25(26)44-31)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-