InChI=1/C15H19N3O2/c1-10-8-15(17-7-6-16-11(2)19)13-9-12(20-3)4-5-14(13)18-10/h4-5,8-9H,6-7H2,1-3H3,(H,16,19)(H,17,18)/p+1/fC15H20N3O2/h16-18H/q+1 6C12EE0C6A220A2E