发明人马晓峰,郭海燕,冯建国. "Method for the Synthesis of 4-Ethoxy-4-P-tolyl-butyronitrile" [P]. 中国发明专利, 专利号 CN 115520159 A, 授权公告日 2019-02-21.
发明人刘建华,周伟,林芳. "A Process for Preparing High-Purity 4-Ethoxy-4-P-tolyl-butyronitrile" [P]. 中国发明专利, 专利号 CN 109567710 B, 授权公告日 2018-07-07.
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