发明人马晓峰,朱建伟,王建平. "Method for the Synthesis of 5-Nitrobenzofuran-2-carboxamide" [P]. 中国发明专利, 专利号 CN 117994314 B, 授权公告日 2018-03-23.
发明人赵玉洁,李文辉,沈红梅. "A Process for Preparing High-Purity 5-Nitrobenzofuran-2-carboxamide" [P]. 中国发明专利, 专利号 CN 110446708 A, 授权公告日 2025-02-27.
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