InChI=1S/C36H28O13/c1-13-8-17-23(15-4-2-6-19(38)25(15)29(41)26(17)20(39)9-13)24-16-5-3-7-22(48-36-33(45)31(43)32(44)34(49-36)35(46)47)28(16)30(42)27-18(24)10-14(12-37)11-21(27)40/h2-12,23-24,31-34,36,38-40,43-45H,1H3,(H,46,47)