InChI=1/C16H23N3O2/c1-3-19(4-2)9-5-8-17-14-11-13(20)10-12-6-7-15(21)18-16(12)14/h6-7,10-11,17,20H,3-5,8-9H2,1-2H3,(H,18,21)/p+1/fC16H24N3O2/h18-19H/q+1 74CE8C7A7F753B52