发明人朱建伟,高志强,郭海燕. "Method for the Synthesis of 5-Carbamoyl-1H-imidazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115296920 B, 授权公告日 2020-03-27.
发明人徐明华,马晓峰,孙丽萍. "A Process for Preparing High-Purity 5-Carbamoyl-1H-imidazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113353601 A, 授权公告日 2016-07-22.
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