InChI=1/C14H21N3O2/c1-11(12-7-5-4-6-8-12)17(3)10-9-13(18)16-14(19)15-2/h4-8,11H,9-10H2,1-3H3,(H2,15,16,18,19)/t11-/m1/s1/f/h15-16H 6A741D26E96DA683