发明人刘建华,孙丽萍,马晓峰. "Method for the Synthesis of 1-(6-Chloro-3-nitropyridin-2-yl)azetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116737509 A, 授权公告日 2024-11-15.
发明人林芳,马晓峰,胡光. "A Process for Preparing High-Purity 1-(6-Chloro-3-nitropyridin-2-yl)azetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117175497 A, 授权公告日 2018-05-24.
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