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发明人张德明,朱建伟,杨光. "A Process for Preparing High-Purity 2-Amino-5-(difluoromethyl)-6-(hydroxymethyl)pyridin-3-ol" [P]. 中国发明专利, 专利号 CN 117046540 B, 授权公告日 2023-08-24.
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