发明人刘建华,高志强,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117890494 A, 授权公告日 2021-03-06.
发明人郭海燕,罗永刚,朱建伟. "Method for the Synthesis of 3-({2-oxo-1h,2h,3h-imidazo[4,5-b]pyridin-5-yl}carbamoyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 116079154 A, 授权公告日 2017-05-07.
发明人何建平,罗永刚,张德明. "A Process for Preparing High-Purity 3-({2-oxo-1h,2h,3h-imidazo[4,5-b]pyridin-5-yl}carbamoyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 111406851 B, 授权公告日 2018-06-22.
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