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