发明人张德明,刘建华,孙丽萍. "Method for the Synthesis of 1-Ethoxy-3-methylisoquinoline-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 117133047 A, 授权公告日 2017-05-01.
发明人李文辉,冯建国,徐明华. "A Process for Preparing High-Purity 1-Ethoxy-3-methylisoquinoline-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 109163670 B, 授权公告日 2023-08-25.
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