发明人李文辉,杨光,郭海燕. "Method for the Synthesis of 3-(2-Oxoazetidin-1-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 111687561 B, 授权公告日 2023-01-06.
发明人冯建国,陈志强,马晓峰. "A Process for Preparing High-Purity 3-(2-Oxoazetidin-1-yl)benzonitrile" [P]. 中国发明专利, 专利号 CN 116882052 B, 授权公告日 2016-04-13.
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