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