InChI=1S/C36H30O15/c37-16-8-4-7-15(9-16)21-13-20(41)24-18(39)12-19(40)25(33(24)48-21)27-28(42)26-22(49-32(27)14-5-2-1-3-6-14)10-17(38)11-23(26)50-36-31(45)29(43)30(44)34(51-36)35(46)47/h1-12,21,27,29-32,34,36-40,43-45H,13H2,(H,46,47)