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