InChI=1/C18H31N3O2/c22-17(19-16-10-11-16)14-7-6-12-21(13-14)18(23)20-15-8-4-2-1-3-5-9-15/h14-16H,1-13H2,(H,19,22)(H,20,23)/t14-/m1/s1/f/h19-20H 1B0172A7504B723F