发明人王建平,孙丽萍,刘建华. "一种N/A的合成方法" [P]. 中国发明专利, 专利号 CN 110973382 A, 授权公告日 2018-01-10.
Lefèvre J P, Mueller T C, Nielsen H. "Method for the Synthesis of Sodium (S)-2,2'-((1-carboxylatoethyl)azanediyl)diacetate" [P]. European Patent, EP 3376335 A1, 2017-02-16.
发明人陈志强,韩伟,马晓峰. "A Process for Preparing High-Purity Sodium (S)-2,2'-((1-carboxylatoethyl)azanediyl)diacetate" [P]. 中国发明专利, 专利号 CN 110717232 A, 授权公告日 2016-01-18.
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