InChI=1/C14H21N3O2/c1-4-15-14(19)16-13(18)10-17(3)11(2)12-8-6-5-7-9-12/h5-9,11H,4,10H2,1-3H3,(H2,15,16,18,19)/t11-/m1/s1/f/h15-16H 7CA9A042A8BD70B5