InChI=1/C26H24N2O4/c1-26(10-11-26)28-25(29)19-6-4-5-16-13-17(7-8-18(16)19)32-22-9-12-27-21-15-24(31-3)23(30-2)14-20(21)22/h4-9,12-15H,10-11H2,1-3H3,(H,28,29)/p+1/fC26H25N2O4/h27-28H/q+1 571FE4C951AE27C4