发明人孙丽萍,朱建伟,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116882220 A, 授权公告日 2022-09-09.
发明人李文辉,马晓峰,高志强. "Method for the Synthesis of 2-(2-Propyl-1H-benzimidazol-1-yl)butanoic aciddihydrochloride" [P]. 中国发明专利, 专利号 CN 108473159 B, 授权公告日 2021-05-02.
发明人赵玉洁,陈志强,罗永刚. "A Process for Preparing High-Purity 2-(2-Propyl-1H-benzimidazol-1-yl)butanoic aciddihydrochloride" [P]. 中国发明专利, 专利号 CN 109728396 B, 授权公告日 2025-04-14.
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