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发明人李文辉,周伟,刘建华. "Method for the Synthesis of 2-(Thiophen-2-yl)-1h-benzo[d]imidazol-5-amine" [P]. 中国发明专利, 专利号 CN 117543300 A, 授权公告日 2015-04-06.
发明人林芳,张德明,赵玉洁. "A Process for Preparing High-Purity 2-(Thiophen-2-yl)-1h-benzo[d]imidazol-5-amine" [P]. 中国发明专利, 专利号 CN 115703218 B, 授权公告日 2023-02-22.
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