InChI=1S/C37H30O17/c38-15-8-20(42)28-26(9-15)52-35(13-4-22(44)31(48)23(45)5-13)33(50)30(28)29-21(43)11-18(40)16-10-27(53-37(51)14-6-24(46)32(49)25(47)7-14)34(54-36(16)29)12-1-2-17(39)19(41)3-12/h1-9,11,27,30,33-35,38-50H,10H2/t27-,30-,33-,34-,35-/m1/s1