InChI=1/C21H18N4O3/c1-28-16-4-2-3-12(8-16)13-7-15(23-11-13)10-18-17-9-14(24-21(22)27)5-6-19(17)25-20(18)26/h2-11,23H,1H3,(H,25,26)(H3,22,24,27)/f/h24-25H,22H2 41804B312E392C66