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发明人高志强,徐明华,杨光. "A Process for Preparing High-Purity N1,N4-Di(buta-2,3-dien-1-yl)butane-1,4-diamine dHCl" [P]. 中国发明专利, 专利号 CN 109719384 A, 授权公告日 2018-04-03.
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