发明人沈红梅,冯建国,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116818557 A, 授权公告日 2022-06-13.
发明人冯建国,郭海燕,徐明华. "Method for the Synthesis of 5-Chloro-6-oxo-1,6-dihydro-[2,3'-bipyridine]-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 113407548 B, 授权公告日 2023-01-20.
发明人唐晓军,李文辉,孙丽萍. "A Process for Preparing High-Purity 5-Chloro-6-oxo-1,6-dihydro-[2,3'-bipyridine]-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 113322865 B, 授权公告日 2025-07-20.
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