InChI=1/C24H20N4O4/c1-32-19-12-15(6-7-18(19)30)23-20-21(16-4-2-3-5-17(16)29)26-27-22(20)24(31)28(23)13-14-8-10-25-11-9-14/h2-12,23,26-27,30H,13H2,1H3/b21-16+/t23-/m1/s1 D25A4B50A454B74D