40217-17-2
4-Benzyloxazolidin-2-one
+
79-04-9
一氯代乙酰氯
→
~97%
184714-56-5
(R)-4-苄基-3-氯乙酰基-2-恶唑烷酮
541-88-8
氯乙酸酐
~94%
275378-96-6
275378-91-1
3530-82-3
5-苄基海因
54896-72-9
(R)-3-phenyl-2-ureido-propionic acid