发明人郑宇鹏,孙丽萍,沈红梅. "Method for the Synthesis of 3-Hydroxy-2-(6-methyl-1H-benzo[d]imidazol-2-yl)-1H-inden-1-one" [P]. 中国发明专利, 专利号 CN 117028097 B, 授权公告日 2022-06-08.
发明人刘建华,罗永刚,张德明. "A Process for Preparing High-Purity 3-Hydroxy-2-(6-methyl-1H-benzo[d]imidazol-2-yl)-1H-inden-1-one" [P]. 中国发明专利, 专利号 CN 110200986 B, 授权公告日 2024-09-16.
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