发明人刘建华,马晓峰,冯建国. "Method for the Synthesis of 2-Amino-5-chloro-6-oxo-1,6-dihydropyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 114140957 B, 授权公告日 2021-09-21.
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