发明人罗永刚,赵玉洁,林芳. "Method for the Synthesis of 2-[benzyl(2-{[(tert-butoxy)carbonyl]amino}ethyl)amino]acetic acid" [P]. 中国发明专利, 专利号 CN 110067168 A, 授权公告日 2018-08-12.
发明人胡光,张德明,朱建伟. "A Process for Preparing High-Purity 2-[benzyl(2-{[(tert-butoxy)carbonyl]amino}ethyl)amino]acetic acid" [P]. 中国发明专利, 专利号 CN 108278558 B, 授权公告日 2021-11-02.
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