发明人冯建国,刘建华,郭海燕. "Method for the Synthesis of (E)-Methyl 4-(4-methylpiperazin-1-yl)but-2-enoate" [P]. 中国发明专利, 专利号 CN 112185203 A, 授权公告日 2018-07-03.
发明人杨光,唐晓军,郑宇鹏. "A Process for Preparing High-Purity (E)-Methyl 4-(4-methylpiperazin-1-yl)but-2-enoate" [P]. 中国发明专利, 专利号 CN 113426635 A, 授权公告日 2022-07-22.
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