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