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