发明人马晓峰,钱学锋,林芳. "Method for the Synthesis of 4-(Ethylamino)butanoic acid" [P]. 中国发明专利, 专利号 CN 113486827 A, 授权公告日 2017-07-02.
发明人徐明华,林芳,王建平. "A Process for Preparing High-Purity 4-(Ethylamino)butanoic acid" [P]. 中国发明专利, 专利号 CN 116905008 A, 授权公告日 2025-06-27.
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