发明人黄志刚,张德明,罗永刚. "Method for the Synthesis of 2-Chloro-4-nitronicotinonitrile" [P]. 中国发明专利, 专利号 CN 116645506 A, 授权公告日 2022-05-07.
发明人钱学锋,马晓峰,郑宇鹏. "A Process for Preparing High-Purity 2-Chloro-4-nitronicotinonitrile" [P]. 中国发明专利, 专利号 CN 108803820 A, 授权公告日 2021-06-04.
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