发明人李文辉,周伟,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113911789 A, 授权公告日 2021-01-10.
发明人唐晓军,马晓峰,刘建华. "Method for the Synthesis of 2-(3-Ethyl-2-imino-2,3-dihydro-1H-benzo[d]imidazol-1-yl)acetic acid hydrobromide" [P]. 中国发明专利, 专利号 CN 110093190 B, 授权公告日 2023-05-04.
发明人钱学锋,高志强,徐明华. "A Process for Preparing High-Purity 2-(3-Ethyl-2-imino-2,3-dihydro-1H-benzo[d]imidazol-1-yl)acetic acid hydrobromide" [P]. 中国发明专利, 专利号 CN 113238479 B, 授权公告日 2024-09-22.
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