InChI=1/C22H18N4O2/c27-17-11-10-16(21(28)13-17)14-23-25-22-19-9-5-4-8-18(19)20(24-26-22)12-15-6-2-1-3-7-15/h1-11,13-14,27-28H,12H2,(H,25,26)/b23-14+/f/h25H 33B19763CC2FCC74