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发明人王建平,张德明,唐晓军. "A Process for Preparing High-Purity 1-Isobutyl-5-phenyl-1,3-dihydro-2H-imidazole-2-thione" [P]. 中国发明专利, 专利号 CN 116193816 A, 授权公告日 2018-06-10.
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