发明人郭海燕,杨光,沈红梅. "Method for the Synthesis of 6-Methoxy-2-nitrobenzofuran" [P]. 中国发明专利, 专利号 CN 115529145 A, 授权公告日 2021-01-01.
发明人刘建华,钱学锋,何建平. "A Process for Preparing High-Purity 6-Methoxy-2-nitrobenzofuran" [P]. 中国发明专利, 专利号 CN 112009070 A, 授权公告日 2024-06-25.
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