InChI=1S/C36H28O14/c1-12-5-16-23(15-3-2-4-19(39)25(15)29(42)26(16)20(40)6-12)24-17-7-13(11-37)8-22(28(17)30(43)27-18(24)9-14(38)10-21(27)41)49-36-33(46)31(44)32(45)34(50-36)35(47)48/h2-11,23-24,31-34,36,38-41,44-46H,1H3,(H,47,48)