InChI=1S/C36H34O20/c37-14-4-1-12(7-16(14)39)2-6-23(42)52-11-22-26(43)28(45)30(47)33(54-22)25-21(55-36-32(49)29(46)31(48)34(56-36)35(50)51)10-20-24(27(25)44)18(41)9-19(53-20)13-3-5-15(38)17(40)8-13/h1-10,22,26,28-34,36-40,43-49H,11H2,(H,50,51)/b6-2+