发明人郑宇鹏,刘建华,赵玉洁. "Method for the Synthesis of 3-(3-ethyl-1,2,4-oxadiazol-5-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 113992279 A, 授权公告日 2022-04-25.
发明人王建平,罗永刚,何建平. "A Process for Preparing High-Purity 3-(3-ethyl-1,2,4-oxadiazol-5-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 114065571 B, 授权公告日 2021-01-08.
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