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