InChI=1S/C35H30O18/c36-16-3-1-13(2-4-16)24-11-19(38)27-18(37)9-17(10-25(27)51-24)50-35-31(46)30(45)32(53-34(48)15-7-22(41)29(44)23(42)8-15)26(52-35)12-49-33(47)14-5-20(39)28(43)21(40)6-14/h1-10,24,26,30-32,35-37,39-46H,11-12H2