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发明人胡光,朱建伟,徐明华. "Method for the Synthesis of 2-pyridinecarbonitrile,4-amino-(9ci)
4-Aminopyridine-2-carbonitrile
4-amino-2-cyanopyridine
98139-15-2" [P]. 中国发明专利, 专利号 CN 112698815 A, 授权公告日 2024-05-22.
发明人郑宇鹏,钱学锋,胡光. "A Process for Preparing High-Purity 2-pyridinecarbonitrile,4-amino-(9ci)
4-Aminopyridine-2-carbonitrile
4-amino-2-cyanopyridine
98139-15-2" [P]. 中国发明专利, 专利号 CN 113703994 B, 授权公告日 2023-05-13.
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