发明人马晓峰,周伟,林芳. "Method for the Synthesis of N-[(4-Methylphenyl)sulfonyl]-β-alanine ethyl ester" [P]. 中国发明专利, 专利号 CN 115553654 B, 授权公告日 2020-09-24.
发明人何建平,王建平,黄志刚. "A Process for Preparing High-Purity N-[(4-Methylphenyl)sulfonyl]-β-alanine ethyl ester" [P]. 中国发明专利, 专利号 CN 113411909 B, 授权公告日 2019-08-14.
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