InChI=1/C18H25N3O3/c22-17(19-14-6-7-14)12-21(13-18(23)20-15-8-9-15)10-11-24-16-4-2-1-3-5-16/h1-5,14-15H,6-13H2,(H,19,22)(H,20,23)/f/h19-20H 5F632B8D0FA16C6E