发明人韩伟,钱学锋,杨光. "Method for the Synthesis of 3-(4-Ethylpiperazin-1-yl)-3-oxopropanenitrile" [P]. 中国发明专利, 专利号 CN 113462001 B, 授权公告日 2024-03-22.
发明人徐明华,胡光,郭海燕. "A Process for Preparing High-Purity 3-(4-Ethylpiperazin-1-yl)-3-oxopropanenitrile" [P]. 中国发明专利, 专利号 CN 108832886 A, 授权公告日 2016-06-02.
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