InChI=1/C15H19N3O2/c1-10-9-13(17-8-7-16-11(2)19)12-5-4-6-14(20-3)15(12)18-10/h4-6,9H,7-8H2,1-3H3,(H,16,19)(H,17,18)/p+1/fC15H20N3O2/h16-18H/q+1 5ABF6D210FB92A54