7Ermolova G I, Kopteva N I, Zalukaev L P, et al. Synthesis and antiviral activity of quaternary salts of N-[2-acyloxy-3-benzyl-oxypropyl] morpholines[J]. Pharmaceutical Chemistry Journal, 1990, 24(5):359-362.
8Athina G, Eugeni B, John D, et al. Design, synthesis, computational and biological evaluation of new anxiolytics Bioorganic & Medicinal Chemistry, 2004, 12(24)c 6559-6568.