发明人王建平,高志强,徐明华. "Method for the Synthesis of 5-Chloro-7-methyl-1-benzofuran-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 116093853 B, 授权公告日 2023-04-10.
发明人黄志刚,钱学锋,赵玉洁. "A Process for Preparing High-Purity 5-Chloro-7-methyl-1-benzofuran-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 112881572 A, 授权公告日 2015-12-23.
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