InChI=1S/C36H34O18/c37-13-22-26(43)28(45)33(53-23(42)10-3-14-1-6-16(38)7-2-14)32(51-22)25-21(52-36-30(47)27(44)29(46)34(54-36)35(48)49)12-19(41)24-18(40)11-20(50-31(24)25)15-4-8-17(39)9-5-15/h1-12,22,26-30,32-34,36-39,41,43-47H,13H2,(H,48,49)/b10-3+