InChI=1/C19H22N4O3/c1-13-9-10-16(22(24)25)17-18(13)21-15-8-5-4-7-14(15)19(17)20-11-6-12-23(2,3)26/h4-5,7-10H,6,11-12H2,1-3H3,(H,20,21)/p+1/fC19H23N4O3/h20-21H/q+1 6DB7B8FA8A82FD77