InChI=1S/C36H30O14/c1-11-6-14-21(13-4-3-5-17(37)23(13)27(41)24(14)18(38)8-11)22-15-7-12(2)9-19(39)25(15)28(42)26-16(22)10-20(40)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)