发明人罗永刚,韩伟,刘建华. "Method for the Synthesis of 2-((1H-Benzo[d]imidazol-2-yl)amino)-5,6-dihydropyrimidin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 108254358 B, 授权公告日 2019-08-21.
发明人刘建华,周伟,孙丽萍. "A Process for Preparing High-Purity 2-((1H-Benzo[d]imidazol-2-yl)amino)-5,6-dihydropyrimidin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 113694485 B, 授权公告日 2019-02-24.
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