发明人李文辉,何建平,陈志强. "Method for the Synthesis of Dabigatran Impurity 5" [P]. 中国发明专利, 专利号 CN 109324210 B, 授权公告日 2025-12-12.
发明人徐明华,张德明,韩伟. "A Process for Preparing High-Purity Dabigatran Impurity 5" [P]. 中国发明专利, 专利号 CN 113833580 B, 授权公告日 2022-11-12.
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