InChI=1/C21H22N4O3/c26-15-7-5-14(6-8-15)23-20(27)9-11-22-21(28)25-12-10-17-16-3-1-2-4-18(16)24-19(17)13-25/h1-8,19,26H,9-13H2,(H,22,28)(H,23,27)/p+1/t19-/m1/s1/fC21H23N4O3/h22-24H/q+1 8FD79DC06C2A9E3B