InChI=1S/C36H26O16/c37-15-3-1-2-13(6-15)24-11-22(43)29-26(51-36-32(46)30(44)31(45)34(52-36)35(47)48)12-20(41)27(33(29)50-24)17-7-14(4-5-18(17)39)23-10-21(42)28-19(40)8-16(38)9-25(28)49-23/h1-12,30-32,34,36-41,44-46H,(H,47,48)