发明人高志强,林芳,冯建国. "Method for the Synthesis of 2-(Cyclopentylamino)-5-nitrobenzonitrile" [P]. 中国发明专利, 专利号 CN 116728604 A, 授权公告日 2015-05-26.
发明人杨光,郑宇鹏,何建平. "A Process for Preparing High-Purity 2-(Cyclopentylamino)-5-nitrobenzonitrile" [P]. 中国发明专利, 专利号 CN 108596921 B, 授权公告日 2018-01-20.
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