InChI=1S/C36H34O19/c37-13-21-24(42)27(45)33(53-22(41)10-3-14-1-8-18(9-2-14)50-35-29(47)26(44)28(46)32(55-35)34(48)49)36(52-21)54-31-25(43)23-19(40)11-17(39)12-20(23)51-30(31)15-4-6-16(38)7-5-15/h1-12,21,24,26-29,32-33,35-40,42,44-47H,13H2,(H,48,49)/b10-3+