发明人徐明华,刘建华,高志强. "Method for the Synthesis of 7-Hydroxypyrazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113008001 B, 授权公告日 2021-02-24.
发明人胡光,赵玉洁,李文辉. "A Process for Preparing High-Purity 7-Hydroxypyrazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112019736 A, 授权公告日 2025-07-27.
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