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