InChI=1S/C37H28O16/c1-49-16-5-2-14(3-6-16)25-13-24(43)30-22(41)11-21(40)28(34(30)52-25)18-8-15(4-7-19(18)38)26-12-23(42)29-20(39)9-17(10-27(29)51-26)50-37-33(46)31(44)32(45)35(53-37)36(47)48/h2-13,31-33,35,37-41,44-46H,1H3,(H,47,48)