InChI=1/C21H22N4O3/c1-25(2)13-20(27)23-15-7-5-6-14(10-15)12-22-21(28)17-11-19(26)24-18-9-4-3-8-16(17)18/h3-11H,12-13H2,1-2H3,(H,22,28)(H,23,27)(H,24,26)/p+1/fC21H23N4O3/h22-25H/q+1 648DFB520A9E2FE4