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发明人郭海燕,王建平,韩伟. "A Process for Preparing High-Purity n1,n1,2,2-Tetramethyl-n3-(3-methylcyclopentyl)propane-1,3-diamine" [P]. 中国发明专利, 专利号 CN 113855907 B, 授权公告日 2021-10-08.
参考文献 Literature
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