InChI=1S/C36H28O14/c1-12-5-16-24(18-9-14(38)10-21(41)27(18)29(42)26(16)20(40)6-12)23-15-3-2-4-19(39)25(15)30(43)28-17(23)7-13(11-37)8-22(28)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)