InChI=1/C17H22N4O/c1-11-14(6-7-18-9-17-12(2)19-10-20-17)15-8-13(22-3)4-5-16(15)21-11/h4-5,8,10,18,21H,6-7,9H2,1-3H3,(H,19,20)/p+1/fC17H23N4O/h18-19H/q+1 B941986587390026