N-羟基氨基甲酸叔丁酯

(2S)-2-氨基-3-苯丙酸乙酯

(S)-2-tert-Butoxycarbonylamino-3-phenyl-propionic acid 3-(2,2-dimethyl-propionyloxy)-1-isopropyl-2-oxo-propyl ester