InChI=1/C16H19N3O/c1-19(14-6-9-17-10-7-14)16(20)13-4-5-15-12(11-13)3-2-8-18-15/h2-5,8,11,14,17H,6-7,9-10H2,1H3/p+1/fC16H20N3O/h17H/q+1 3EE052614711CE64