发明人冯建国,杨光,郑宇鹏. "Method for the Synthesis of 3-(1H-Benzo[d]imidazol-2-yl)-4-(phenylamino)butanoic acid" [P]. 中国发明专利, 专利号 CN 108459545 A, 授权公告日 2018-03-13.
发明人张德明,沈红梅,刘建华. "A Process for Preparing High-Purity 3-(1H-Benzo[d]imidazol-2-yl)-4-(phenylamino)butanoic acid" [P]. 中国发明专利, 专利号 CN 110666093 A, 授权公告日 2015-11-02.
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