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发明人张德明,李文辉,马晓峰. "Method for the Synthesis of Methyl 5-Nitro-1H-benzimidazole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108856950 A, 授权公告日 2019-10-02.
发明人韩伟,沈红梅,周伟. "A Process for Preparing High-Purity Methyl 5-Nitro-1H-benzimidazole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109576591 B, 授权公告日 2024-06-05.
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