Title: 4-Allyl-morpholin-4-ium bromide.
Journal: Acta crystallographica. Section E, Structure reports online 20120401
Title: Stereoselective alpha-fluoroamide and alpha-fluoro-gamma-lactone synthesis by an asymmetric zwitterionic aza-Claisen rearrangement.
Journal: Beilstein journal of organic chemistry 20050101