发明人林芳,李文辉,沈红梅. "Method for the Synthesis of 3,5-Difluoro-6-oxo-1,6-dihydropyridine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 114533023 A, 授权公告日 2024-01-05.
发明人沈红梅,张德明,徐明华. "A Process for Preparing High-Purity 3,5-Difluoro-6-oxo-1,6-dihydropyridine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 116269834 B, 授权公告日 2021-06-22.
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