InChI=1S/C37H30O16/c38-16-9-22(43)29-28(10-16)52-35(14-2-4-19(40)21(42)6-14)36(53-37(50)15-7-24(45)33(49)25(46)8-15)31(29)30-23(44)12-27-17(32(30)48)11-26(47)34(51-27)13-1-3-18(39)20(41)5-13/h1-10,12,26,31,34-36,38-49H,11H2/t26?,31-,34-,35-,36-/m1/s1