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发明人何建平,黄志刚,陈志强. "Method for the Synthesis of 4-(((4-Chlorophenyl)(5-fluoro-2-hydroxyphenyl)methylene)amino)butanoic acid monosodium salt" [P]. 中国发明专利, 专利号 CN 108793387 B, 授权公告日 2024-10-20.
发明人王建平,赵玉洁,张德明. "A Process for Preparing High-Purity 4-(((4-Chlorophenyl)(5-fluoro-2-hydroxyphenyl)methylene)amino)butanoic acid monosodium salt" [P]. 中国发明专利, 专利号 CN 116255419 B, 授权公告日 2017-09-10.
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