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发明人徐明华,钱学锋,罗永刚. "Method for the Synthesis of 2-[2-(piperazin-1-yl)ethyl]pyrazine" [P]. 中国发明专利, 专利号 CN 109666994 A, 授权公告日 2025-03-07.
发明人黄志刚,刘建华,杨光. "A Process for Preparing High-Purity 2-[2-(piperazin-1-yl)ethyl]pyrazine" [P]. 中国发明专利, 专利号 CN 114142452 B, 授权公告日 2015-12-20.
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