发明人杨光,马晓峰,赵玉洁. "Method for the Synthesis of 5-(5-Formyl-1-methyl-1H-pyrrol-2-yl)nicotinonitrile" [P]. 中国发明专利, 专利号 CN 108877910 B, 授权公告日 2023-06-20.
发明人韩伟,冯建国,罗永刚. "A Process for Preparing High-Purity 5-(5-Formyl-1-methyl-1H-pyrrol-2-yl)nicotinonitrile" [P]. 中国发明专利, 专利号 CN 113663196 B, 授权公告日 2020-05-05.
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