发明人郑宇鹏,何建平,高志强. "Method for the Synthesis of 9-Fluoro-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116319934 B, 授权公告日 2019-05-19.
发明人李文辉,周伟,冯建国. "A Process for Preparing High-Purity 9-Fluoro-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111674986 A, 授权公告日 2023-08-07.
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