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发明人张德明,马晓峰,孙丽萍. "Method for the Synthesis of N,N-Dimethyl-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 116308413 A, 授权公告日 2019-09-05.
发明人冯建国,钱学锋,唐晓军. "A Process for Preparing High-Purity N,N-Dimethyl-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 115832838 A, 授权公告日 2016-08-20.
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