InChI=1S/C36H30O14/c1-11-3-15-23(17-7-13(37)9-21(41)27(17)29(42)25(15)19(39)5-11)24-16-4-12(2)6-20(40)26(16)30(43)28-18(24)8-14(38)10-22(28)49-36-33(46)31(44)32(45)34(50-36)35(47)48/h3-10,23-24,31-34,36-41,44-46H,1-2H3,(H,47,48)