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