发明人林芳,马晓峰,陈志强. "Method for the Synthesis of H-His-OEt · 2 HCl" [P]. 中国发明专利, 专利号 CN 112552626 A, 授权公告日 2019-02-26.
发明人冯建国,沈红梅,王建平. "A Process for Preparing High-Purity H-His-OEt · 2 HCl" [P]. 中国发明专利, 专利号 CN 108308422 B, 授权公告日 2015-09-20.
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