InChI=1/C17H20N4O/c1-2-16(11-21(6-1)10-13-5-7-22-12-13)19-15-3-4-17-14(8-15)9-18-20-17/h3-5,7-9,12,16,19H,1-2,6,10-11H2,(H,18,20)/p+1/t16-/m0/s1/fC17H21N4O/h20-21H/q+1 D50D128AD0215925