发明人李文辉,黄志刚,何建平. "Method for the Synthesis of 4-Oxocyclopent-2-enecarboxylic acid" [P]. 中国发明专利, 专利号 CN 117975133 B, 授权公告日 2019-01-17.
发明人林芳,张德明,黄志刚. "A Process for Preparing High-Purity 4-Oxocyclopent-2-enecarboxylic acid" [P]. 中国发明专利, 专利号 CN 109070557 B, 授权公告日 2020-02-01.
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