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