InChI=1S/C36H28O17/c37-14-9-17(40)21-19(10-14)52-36(13-6-7-15(38)16(39)8-13)33(46)24(21)23-20(53-36)11-18(41)22-25(42)31(29(49-30(22)23)12-4-2-1-3-5-12)50-35-28(45)26(43)27(44)32(51-35)34(47)48/h1-11,24,26-28,32-33,35,37-41,43-46H,(H,47,48)/t24?,26?,27?,28?,32?,33?,35?,36-/m1/s1