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发明人郑宇鹏,郭海燕,冯建国. "A Process for Preparing High-Purity 2-Fluoro-6-methoxy-3-(methylsulfonyl)benzoic Acid" [P]. 中国发明专利, 专利号 CN 108800337 A, 授权公告日 2025-01-10.
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