InChI=1S/C32H26O9/c1-13-6-17-25-18(11-16(38-3)12-23(25)39-4)27(30(37)26(17)19(33)7-13)29-22(36)10-15-9-21(35)28-20(34)8-14(2)41-32(28)24(15)31(29)40-5/h7-12,34-35,37H,6H2,1-5H3