InChI=1/C13H23N3O3/c14-12(17)11-9-16(7-8-19-11)13(18)15-10-5-3-1-2-4-6-10/h10-11H,1-9H2,(H2,14,17)(H,15,18)/t11-/m1/s1/f/h15H,14H2 1945B4A7947CCB4E