发明人郭海燕,张德明,罗永刚. "Method for the Synthesis of 4-Hydroxy-2-(pyridin-2-yl)pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108764608 B, 授权公告日 2021-02-11.
发明人孙丽萍,韩伟,高志强. "A Process for Preparing High-Purity 4-Hydroxy-2-(pyridin-2-yl)pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114952772 A, 授权公告日 2018-06-03.
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