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发明人沈红梅,赵玉洁,冯建国. "A Process for Preparing High-Purity 2-(Aminomethyl)-3-(difluoromethyl)-6-methoxypyridine-5-acetic acid" [P]. 中国发明专利, 专利号 CN 117209879 B, 授权公告日 2024-01-20.
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