2-(4-chlorobut-2-ynyl)-1,2-oxazolidin-3-one

ethyl 3-oxo-1,2-oxazolidine-2-carboxylate

3-oxo-isoxazolidine-2-carboxylic acid dimethylamide

4,5-dihydro-1,2-oxazol-3-yl N,N-dimethylcarbamate

6-chloro-2,3-dihydro-[1,2]oxazolo[3,2-b]quinazolin-9-one