InChI=1S/C37H28O15/c1-48-17-10-20(39)29-21(40)12-25(49-26(29)11-17)16-7-8-19(38)18(9-16)28-27(51-37-33(45)31(43)32(44)35(52-37)36(46)47)14-23(42)30-22(41)13-24(50-34(28)30)15-5-3-2-4-6-15/h2-14,31-33,35,37-39,42-45H,1H3,(H,46,47)