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发明人孙丽萍,赵玉洁,张德明. "Method for the Synthesis of 2-(5-Ethylthiophen-2-yl)quinoline-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109416294 B, 授权公告日 2024-02-25.
发明人杨光,张德明,徐明华. "A Process for Preparing High-Purity 2-(5-Ethylthiophen-2-yl)quinoline-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113194445 B, 授权公告日 2023-03-25.
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