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发明人刘建华,胡光,张德明. "Method for the Synthesis of 3-(5-Bromothiophen-2-yl)-4-ethyl-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 111213517 B, 授权公告日 2017-01-15.
发明人马晓峰,高志强,徐明华. "A Process for Preparing High-Purity 3-(5-Bromothiophen-2-yl)-4-ethyl-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 108488188 A, 授权公告日 2017-07-08.
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