发明人徐明华,郭海燕,何建平. "Method for the Synthesis of 2-Chloro-1-(1-ethyl-5-nitro-1H-pyrrol-2-yl)ethanone" [P]. 中国发明专利, 专利号 CN 110629656 A, 授权公告日 2020-06-18.
发明人刘建华,王建平,罗永刚. "A Process for Preparing High-Purity 2-Chloro-1-(1-ethyl-5-nitro-1H-pyrrol-2-yl)ethanone" [P]. 中国发明专利, 专利号 CN 114469455 A, 授权公告日 2016-01-14.
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