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发明人李文辉,唐晓军,王建平. "Method for the Synthesis of 3,5-dichloro-7-methoxy-1H-pyrazolo[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 112320343 B, 授权公告日 2017-02-14.
发明人孙丽萍,高志强,徐明华. "A Process for Preparing High-Purity 3,5-dichloro-7-methoxy-1H-pyrazolo[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 108234229 A, 授权公告日 2019-06-10.
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