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发明人唐晓军,赵玉洁,林芳. "A Process for Preparing High-Purity 4-Chloro-2-(1,3-dihydro-2h-benzo[d]imidazol-2-ylidene)-3-oxopentanenitrile" [P]. 中国发明专利, 专利号 CN 109583303 B, 授权公告日 2020-09-12.
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