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发明人孙丽萍,陈志强,黄志刚. "A Process for Preparing High-Purity N1,N4-bis(3-fluorobenzyl)cyclohexane-1,4-diamine" [P]. 中国发明专利, 专利号 CN 113003157 A, 授权公告日 2020-06-01.
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