发明人周伟,杨光,冯建国. "Method for the Synthesis of 5-((3-Chloro-4-fluorophenyl)amino)-5-oxopentanoic acid" [P]. 中国发明专利, 专利号 CN 117356199 B, 授权公告日 2015-06-03.
发明人刘建华,张德明,赵玉洁. "A Process for Preparing High-Purity 5-((3-Chloro-4-fluorophenyl)amino)-5-oxopentanoic acid" [P]. 中国发明专利, 专利号 CN 114769445 B, 授权公告日 2019-07-20.
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