InChI=1/C21H19N3O3/c25-20(22-19-12-18(23-24-19)16-7-8-16)11-13-1-3-14(4-2-13)15-5-9-17(10-6-15)21(26)27/h1-6,9-10,12,16H,7-8,11H2,(H,26,27)(H2,22,23,24,25)/p-1/fC21H18N3O3/h22-23H/q-1 6A8479E848D9F76A