InChI=1S/C35H24O14/c36-16-8-6-14(7-9-16)23(32(42)43)29-26(38)21(34(45)48-29)15-10-17-18(12-20(37)28-24(17)19(11-15)33(44)47-28)25-27(39)30(49-35(25)46)22(31(40)41)13-4-2-1-3-5-13/h1-12,21-22,25-27,30,36-39H,(H,40,41)(H,42,43)/b29-23-