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发明人刘建华,孙丽萍,周伟. "A Process for Preparing High-Purity N-Benzyl-1-(1-ethyl-1H-imidazol-2-yl)methanaminedihydrochloride" [P]. 中国发明专利, 专利号 CN 110922386 B, 授权公告日 2020-06-04.
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