InChI=1/C19H22N4O/c1-24-17-11-14(10-16-12-22-19(21)23-18(16)20)7-8-15(17)9-13-5-3-2-4-6-13/h2-8,11,16H,9-10,12H2,1H3,(H4,20,21,22,23)/p+1/t16-/m1/s1/fC19H23N4O/h23H,20-21H2/q+1 C747D581E9BBFAC6