发明人李文辉,郭海燕,罗永刚. "Method for the Synthesis of n1,n1,2,2-Tetramethyl-n3-(2-methylcyclopentyl)propane-1,3-diamine" [P]. 中国发明专利, 专利号 CN 112961142 A, 授权公告日 2016-05-23.
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