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发明人周伟,沈红梅,唐晓军. "A Process for Preparing High-Purity 2-Chloro-N'-(4,5-dihydro-1H-imidazol-2-yl)acetohydrazide" [P]. 中国发明专利, 专利号 CN 113913166 A, 授权公告日 2018-05-28.
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