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发明人罗永刚,郑宇鹏,杨光. "A Process for Preparing High-Purity 3-Cyclopropoxy-6-isopropoxy-N-methylpyridin-2-amine" [P]. 中国发明专利, 专利号 CN 116931895 A, 授权公告日 2017-10-17.
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