InChI=1/C21H18N4O3/c1-27-16-11-9-15(10-12-16)24-21(26)23-14-7-5-13(6-8-14)17-3-2-4-18-19(17)20(22)25-28-18/h2-12H,1H3,(H2,22,25)(H2,23,24,26)/f/h23-24H,22H2 3304EFE189D2CAE5