tert-butyl (S)-5-oxo-4-(ureidomethyl)oxazolidine-3-carboxylate

tert-butyl (S)-4-(isocyanatomethyl)-5-oxooxazolidine-3-carboxylate

N-Boc-5-oxazolidinone-L-aspartic acid

(S)-4-Azidocarbonylmethyl-5-oxo-oxazolidine-3-carboxylic acid tert-butyl ester

氰酸钾