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发明人林芳,赵玉洁,高志强. "Method for the Synthesis of 6-Cyano-3-methoxy-1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116047123 B, 授权公告日 2025-10-12.
发明人赵玉洁,罗永刚,何建平. "A Process for Preparing High-Purity 6-Cyano-3-methoxy-1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109994103 A, 授权公告日 2025-09-17.
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