发明人罗永刚,张德明,赵玉洁. "Method for the Synthesis of 4-Ethoxy-1,1,1-trifluoro-4-(4-methyl-piperazin-1-yl)-but-3-en-2-one" [P]. 中国发明专利, 专利号 CN 114643007 A, 授权公告日 2017-03-28.
发明人罗永刚,孙丽萍,郑宇鹏. "A Process for Preparing High-Purity 4-Ethoxy-1,1,1-trifluoro-4-(4-methyl-piperazin-1-yl)-but-3-en-2-one" [P]. 中国发明专利, 专利号 CN 113584241 B, 授权公告日 2019-04-13.
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