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发明人徐明华,杨光,钱学锋. "A Process for Preparing High-Purity N1-((2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)methyl)-N1-isopropylethane-1,2-diamine" [P]. 中国发明专利, 专利号 CN 115781166 B, 授权公告日 2021-12-03.
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