发明人孙丽萍,郭海燕,林芳. "Method for the Synthesis of 2-Oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113117153 B, 授权公告日 2024-07-08.
发明人唐晓军,刘建华,杨光. "A Process for Preparing High-Purity 2-Oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108230304 A, 授权公告日 2015-01-16.
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