InChI=1/C15H19N3O/c1-11-4-3-9-18(10-11)15(19)17-14-6-2-5-13-12(14)7-8-16-13/h2,5-8,11,16H,3-4,9-10H2,1H3,(H,17,19)/t11-/m0/s1/f/h17H 1F090018B0380147