发明人李文辉,周伟,沈红梅. "Method for the Synthesis of 1,2-Dihydro-2-oxo-1,6-naphthyridine-3-carbonitrile, 97%" [P]. 中国发明专利, 专利号 CN 112883075 A, 授权公告日 2015-11-11.
发明人赵玉洁,郭海燕,朱建伟. "A Process for Preparing High-Purity 1,2-Dihydro-2-oxo-1,6-naphthyridine-3-carbonitrile, 97%" [P]. 中国发明专利, 专利号 CN 116961782 B, 授权公告日 2016-05-14.
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