InChI=1/C21H22N4O2/c1-15-5-7-17(8-6-15)23-21(26)24-20-4-2-3-16-13-25(12-10-19(16)20)14-18-9-11-22-27-18/h2-9,11H,10,12-14H2,1H3,(H2,23,24,26)/f/h23-24H DE057988BD324DBD