InChI=1/C17H22N4O2/c1-4-23-17(22)20-14-8-9-15(21-16(14)18)19-10-13-11(2)6-5-7-12(13)3/h5-9H,4,10H2,1-3H3,(H,20,22)(H3,18,19,21)/p+1/fC17H23N4O2/h19-21H,18H2/q+1 951A9D7F74149388