67089-84-3
(R)-thiazolidine-4-carboxylic acid hydrochloride
→
~71%
72744-67-3
匹多莫德 杂质B
34592-47-7
L-硫代脯氨酸
~64%
+
60664-15-5
ethyl L-thiazolidine-4-carboxylate