InChI=1S/C36H34O18/c37-13-7-17(39)23-22(8-13)52-32(12-5-19(41)26(44)20(42)6-12)27(45)25(23)24-18(40)10-16(38)15-9-21(43)31(53-33(15)24)11-2-1-3-14(4-11)51-36-30(48)28(46)29(47)34(54-36)35(49)50/h1-8,10,21,25,27-32,34,36-48H,9H2,(H,49,50)