发明人郑宇鹏,李文辉,何建平. "Method for the Synthesis of Ethyl 2-(1-(3,4-dichlorobenzoyl)-3-oxopiperazin-2-yl)acetate" [P]. 中国发明专利, 专利号 CN 114561812 B, 授权公告日 2016-12-11.
发明人胡光,何建平,高志强. "A Process for Preparing High-Purity Ethyl 2-(1-(3,4-dichlorobenzoyl)-3-oxopiperazin-2-yl)acetate" [P]. 中国发明专利, 专利号 CN 115023673 A, 授权公告日 2018-03-14.
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