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发明人林芳,张德明,赵玉洁. "A Process for Preparing High-Purity 4-Formamido-1-methyl-1H-imidazole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115949317 B, 授权公告日 2025-09-01.
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