InChI=1/C17H21N3O2/c1-3-18-16(21)11-20(2)12-17(22)19-15-10-6-8-13-7-4-5-9-14(13)15/h4-10H,3,11-12H2,1-2H3,(H,18,21)(H,19,22)/p+1/fC17H22N3O2/h18-20H/q+1 AC21724B6DD3C523