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发明人黄志刚,罗永刚,张德明. "A Process for Preparing High-Purity 5-(1-Ethylpyrrolidin-2-yl)-3-methylpyridin-2-amine" [P]. 中国发明专利, 专利号 CN 109651543 B, 授权公告日 2023-12-08.
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