InChI=1S/C37H30O18/c38-14-7-17(40)27-25(8-14)53-35(12-3-21(44)31(49)22(45)4-12)33(51)29(27)28-18(41)10-16(39)15-9-26(54-37(52)13-5-23(46)32(50)24(47)6-13)34(55-36(15)28)11-1-19(42)30(48)20(43)2-11/h1-8,10,26,29,33-35,38-51H,9H2