发明人杨光,李文辉,胡光. "Method for the Synthesis of 5-chloro-1H-pyrazolo[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 110150243 A, 授权公告日 2016-12-24.
发明人朱建伟,徐明华,杨光. "A Process for Preparing High-Purity 5-chloro-1H-pyrazolo[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 117738930 A, 授权公告日 2019-10-21.
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