发明人韩伟,赵玉洁,沈红梅. "Method for the Synthesis of 2-[(ethylsulfonyl)amino]-4-(methylthio)butanoic acid" [P]. 中国发明专利, 专利号 CN 117031349 B, 授权公告日 2018-12-06.
发明人周伟,马晓峰,高志强. "A Process for Preparing High-Purity 2-[(ethylsulfonyl)amino]-4-(methylthio)butanoic acid" [P]. 中国发明专利, 专利号 CN 114627718 A, 授权公告日 2015-10-06.
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