发明人何建平,罗永刚,沈红梅. "Method for the Synthesis of 5-(3-Methoxyphenyl)-3-methylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108922668 B, 授权公告日 2024-03-20.
发明人孙丽萍,朱建伟,李文辉. "A Process for Preparing High-Purity 5-(3-Methoxyphenyl)-3-methylpyrazolo[1,5-a]pyrimidine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109908809 B, 授权公告日 2018-04-18.
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