发明人周伟,唐晓军,高志强. "一种2-氧代-2,3-二氢苯并咪唑-4-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 115982038 A, 授权公告日 2019-08-03.
发明人林芳,徐明华,王建平. "Method for the Synthesis of 2-Oxo-2,3-dihydrobenzimidazole-4-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 110977965 A, 授权公告日 2022-12-15.
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