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发明人郭海燕,黄志刚,张德明. "Method for the Synthesis of N-Acetyl-4-hydroxy-L-proline (cis- and trans- mixture)" [P]. 中国发明专利, 专利号 CN 112145764 A, 授权公告日 2020-05-19.
发明人赵玉洁,郑宇鹏,钱学锋. "A Process for Preparing High-Purity N-Acetyl-4-hydroxy-L-proline (cis- and trans- mixture)" [P]. 中国发明专利, 专利号 CN 116926588 B, 授权公告日 2021-08-18.
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