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发明人罗永刚,林芳,周伟. "A Process for Preparing High-Purity (2,3-Dichloro-5-(difluoromethyl)pyridin-4-yl)methanol" [P]. 中国发明专利, 专利号 CN 117259345 A, 授权公告日 2023-02-07.
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