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