发明人唐晓军,赵玉洁,胡光. "Method for the Synthesis of 1-Isopropyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one" [P]. 中国发明专利, 专利号 CN 112173791 B, 授权公告日 2017-04-28.
发明人胡光,刘建华,冯建国. "A Process for Preparing High-Purity 1-Isopropyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one" [P]. 中国发明专利, 专利号 CN 115924470 A, 授权公告日 2020-04-13.
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