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发明人郑宇鹏,罗永刚,李文辉. "Method for the Synthesis of Asp(Obzl)-NCA" [P]. 中国发明专利, 专利号 CN 110789150 B, 授权公告日 2020-02-13.
Johansson L, Björnsson E, Nielsen H. "A Process for Preparing High-Purity Asp(Obzl)-NCA" [P]. European Patent, EP 3326109 A1, 2015-02-11.
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