(4S)-4-benzyl-3-(2-bromoacetyl)-1,3-oxazolidin-2-one

(S)-4-苄基-3-己酰-2-恶唑烷酮

(S)-4-(4-氨基苄基)-1,3-噁唑烷-2-酮

1,4-二苯基丁二炔