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