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发明人罗永刚,林芳,王建平. "Method for the Synthesis of 5-(Thiophen-2-yl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115489272 A, 授权公告日 2025-08-23.
发明人黄志刚,刘建华,林芳. "A Process for Preparing High-Purity 5-(Thiophen-2-yl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117966905 A, 授权公告日 2022-02-09.
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