InChI=1/C16H26N4O/c1-2-8-19-10-12-20(13-11-19)9-7-16(21)18-15-6-4-3-5-14(15)17/h3-6H,2,7-13,17H2,1H3,(H,18,21)/p+1/fC16H27N4O/h18,20H/q+1 92FF0976F0CBAB6F