发明人徐明华,周伟,罗永刚. "Method for the Synthesis of Ethyl 4-benzylpiperazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108520510 B, 授权公告日 2018-12-28.
发明人钱学锋,李文辉,杨光. "A Process for Preparing High-Purity Ethyl 4-benzylpiperazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109557240 B, 授权公告日 2024-06-18.
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