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