InChI=1/C21H18N4O3/c1-28-20(26)11-13-2-5-17-19(10-13)25-21(27)16-4-3-15(12-18(16)24-17)23-14-6-8-22-9-7-14/h2-10,12,24H,11H2,1H3,(H,22,23)(H,25,27)/f/h23,25H 8EA533E80E3CAD50