发明人杨光,李文辉,朱建伟. "一种3-(piperazin-1-yl)thiophene-2-carbonitrile的合成方法" [P]. 中国发明专利, 专利号 CN 109833758 A, 授权公告日 2020-06-26.
发明人郭海燕,林芳,孙丽萍. "Method for the Synthesis of 3-(piperazin-1-yl)thiophene-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 117343362 B, 授权公告日 2016-07-01.
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