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