发明人黄志刚,马晓峰,杨光. "Method for the Synthesis of 7-(Furan-2-yl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110998922 A, 授权公告日 2016-06-23.
发明人林芳,郭海燕,朱建伟. "A Process for Preparing High-Purity 7-(Furan-2-yl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113939966 B, 授权公告日 2015-01-16.
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