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发明人冯建国,陈志强,孙丽萍. "Method for the Synthesis of (7-Fluoro-5-oxo-2,3-dihydro-1,4-benzoxazepin-4(5H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 108857296 B, 授权公告日 2025-12-01.
发明人杨光,林芳,何建平. "A Process for Preparing High-Purity (7-Fluoro-5-oxo-2,3-dihydro-1,4-benzoxazepin-4(5H)-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 115424740 A, 授权公告日 2016-11-23.
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