InChI=1S/C36H28O15/c1-11-2-15-23(24-16-4-12(10-37)5-20(40)26(16)30(44)27-17(24)6-13(38)7-21(27)41)18-8-14(9-22(42)28(18)29(43)25(15)19(39)3-11)50-36-33(47)31(45)32(46)34(51-36)35(48)49/h2-10,23-24,31-34,36,38-42,45-47H,1H3,(H,48,49)