InChI=1/C18H25N3O5/c19-17(22)16-11-21(8-10-25-16)18(23)20-14-6-1-2-7-15(14)26-12-13-5-3-4-9-24-13/h1-2,6-7,13,16H,3-5,8-12H2,(H2,19,22)(H,20,23)/t13-,16-/m1/s1/f/h20H,19H2 4FEEF686EDB8AE4C