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发明人刘建华,冯建国,徐明华. "A Process for Preparing High-Purity 3-Chloro-N-(3-ethoxypropyl)-5-(trifluoromethyl)-2-pyridinamine" [P]. 中国发明专利, 专利号 CN 110824322 B, 授权公告日 2023-12-21.
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