发明人赵玉洁,林芳,张德明. "Method for the Synthesis of Ethyl 7-hydroxypyrazolo[1,5-a]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 114363161 A, 授权公告日 2015-12-27.
发明人杨光,冯建国,胡光. "A Process for Preparing High-Purity Ethyl 7-hydroxypyrazolo[1,5-a]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 110696697 B, 授权公告日 2016-12-20.
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