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