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发明人高志强,刘建华,沈红梅. "Method for the Synthesis of 4-Chloro-3-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 113254578 A, 授权公告日 2022-09-07.
发明人马晓峰,杨光,孙丽萍. "A Process for Preparing High-Purity 4-Chloro-3-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 115958738 A, 授权公告日 2022-08-09.
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