发明人王建平,马晓峰,孙丽萍. "Method for the Synthesis of Tert-butyl 4-(4-carbamimidoylphenyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 114528761 B, 授权公告日 2020-10-26.
发明人郑宇鹏,孙丽萍,徐明华. "A Process for Preparing High-Purity Tert-butyl 4-(4-carbamimidoylphenyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 113268054 B, 授权公告日 2020-07-22.
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