benzyl 3-bromo-2-oxo-5,6-diphenyloxazinan-2-ium-4-carboxylate

L-高苯丙氨酸

(2R,3S)-N-苄氧羰基-2,3-二苯基吗啉-6-酮

(2R,3S)-(-)-N-Boc-2,3-二苯基-6-氧代吗啉

N-(叔-丁基氧羰基)-N-[(1S,2R)-2-羟基-1,2-二苯基乙基]-甘氨酸乙酯