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发明人何建平,李文辉,王建平. "Method for the Synthesis of 6-Chloro-1-cyclopentyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 110771362 A, 授权公告日 2022-01-23.
发明人张德明,徐明华,冯建国. "A Process for Preparing High-Purity 6-Chloro-1-cyclopentyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 111552727 B, 授权公告日 2020-04-07.
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