InChI=1S/C36H32O17/c37-14-4-1-12(2-5-14)30-20(42)10-16-18(40)11-23-25(31(16)50-30)26-24-19(41)8-15(38)9-22(24)52-36(53-23,33(26)46)13-3-6-17(39)21(7-13)49-35-29(45)27(43)28(44)32(51-35)34(47)48/h1-9,11,20,26-30,32-33,35,37-46H,10H2,(H,47,48)