InChI=1/C19H22N4O2/c1-24-16-8-7-14(9-15-11-22-19(21)23-18(15)20)10-17(16)25-12-13-5-3-2-4-6-13/h2-8,10,15H,9,11-12H2,1H3,(H4,20,21,22,23)/p+1/t15-/m1/s1/fC19H23N4O2/h23H,20-21H2/q+1 E6F43DCBFA0BC868