InChI=1S/C32H28O11/c1-13-7-17(33)25-21(42-13)9-14-8-19(39-4)27(30(41-6)22(14)28(25)35)24-16-10-15(38-3)11-20(40-5)23(16)29(36)26-18(34)12-32(2,37)43-31(24)26/h7-11,35-37H,12H2,1-6H3