发明人赵玉洁,孙丽萍,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109336398 A, 授权公告日 2025-03-09.
发明人何建平,郑宇鹏,唐晓军. "Method for the Synthesis of L-2-Pyrrolidinone-3,3,4,4,5-d5-5-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 114958777 B, 授权公告日 2017-06-10.
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