发明人朱建伟,韩伟,沈红梅. "Method for the Synthesis of 4-chlorothieno[2,3-d]pyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113259039 B, 授权公告日 2022-03-14.
发明人高志强,周伟,陈志强. "A Process for Preparing High-Purity 4-chlorothieno[2,3-d]pyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110294099 B, 授权公告日 2021-05-06.
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