发明人韩伟,黄志刚,沈红梅. "Method for the Synthesis of 7-Methyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109516751 B, 授权公告日 2024-09-26.
发明人王建平,钱学锋,陈志强. "A Process for Preparing High-Purity 7-Methyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117606102 A, 授权公告日 2019-03-25.
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