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