75-44-5
光气
+
17114-97-5
O-叔丁基-L-丝氨酸甲酯盐酸盐
→
~89%
145080-94-0
(S)-(+)-2-异氰酰基-3-叔丁基丙酸甲酯
96751-61-0
methyl (4S)-2-oxo-1,3-oxazolidine-4-carboxylate