发明人高志强,刘建华,钱学锋. "Method for the Synthesis of 2-[(4-Chloro-2-methylphenyl)amino]butanohydrazide" [P]. 中国发明专利, 专利号 CN 112121198 A, 授权公告日 2017-02-19.
发明人王建平,杨光,李文辉. "A Process for Preparing High-Purity 2-[(4-Chloro-2-methylphenyl)amino]butanohydrazide" [P]. 中国发明专利, 专利号 CN 112034365 A, 授权公告日 2023-03-19.
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