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发明人李文辉,马晓峰,韩伟. "A Process for Preparing High-Purity 2-Methoxy-1-methyl-1H-benzo[d]imidazol-4-ol" [P]. 中国发明专利, 专利号 CN 110273688 B, 授权公告日 2020-06-23.
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