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发明人李文辉,黄志刚,孙丽萍. "Method for the Synthesis of 2-Chlorobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 109126463 B, 授权公告日 2020-01-08.
发明人冯建国,林芳,周伟. "A Process for Preparing High-Purity 2-Chlorobut-2-enoic acid" [P]. 中国发明专利, 专利号 CN 117499320 A, 授权公告日 2022-06-18.
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