发明人刘建华,罗永刚,杨光. "Method for the Synthesis of 2-({2-[(4-Chloro-2-nitrophenyl)amino]ethyl}amino)ethanol" [P]. 中国发明专利, 专利号 CN 110892863 A, 授权公告日 2017-01-22.
发明人杨光,钱学锋,胡光. "A Process for Preparing High-Purity 2-({2-[(4-Chloro-2-nitrophenyl)amino]ethyl}amino)ethanol" [P]. 中国发明专利, 专利号 CN 115446370 A, 授权公告日 2022-02-14.
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