发明人杨光,张德明,钱学锋. "Method for the Synthesis of 5-(Furan-2-yl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111150418 B, 授权公告日 2018-05-05.
发明人马晓峰,张德明,朱建伟. "A Process for Preparing High-Purity 5-(Furan-2-yl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113969367 B, 授权公告日 2019-08-17.
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