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