InChI=1/C14H21N3O2/c1-11(12-7-5-4-6-8-12)17(9-13(18)15-2)10-14(19)16-3/h4-8,11H,9-10H2,1-3H3,(H,15,18)(H,16,19)/t11-/m1/s1/f/h15-16H 65998B3861B4C415