InChI=1S/C36H32O16/c37-17-11-21-23(24-22-20(12-18(38)25(40)26(22)41)51-36(52-21,33(24)45)14-4-2-1-3-5-14)31-16(17)10-19(39)30(49-31)13-6-8-15(9-7-13)48-35-29(44)27(42)28(43)32(50-35)34(46)47/h1-9,11-12,19,24,27-30,32-33,35,37-45H,10H2,(H,46,47)