发明人张德明,王建平,徐明华. "Method for the Synthesis of 2-chloro-5-fluoro-3-pyridinecarboxylic acid methyl ester
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methyl 2-chloranyl-5-fluoranyl-pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108795208 A, 授权公告日 2019-03-24.
发明人韩伟,徐明华,何建平. "A Process for Preparing High-Purity 2-chloro-5-fluoro-3-pyridinecarboxylic acid methyl ester
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methyl 2-chloranyl-5-fluoranyl-pyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115415621 A, 授权公告日 2023-09-15.
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