InChI=1/C19H22N4O2/c1-4-25-15-6-5-14-10-17(22-16(14)11-15)19(24)21-12-13-7-8-20-18(9-13)23(2)3/h5-11,22H,4,12H2,1-3H3,(H,21,24)/p+1/fC19H23N4O2/h20-21H/q+1 8AFA011A3D67DCB5