发明人马晓峰,赵玉洁,郑宇鹏. "Method for the Synthesis of 4-Chloro-1-isobutyl-6-methyl-1h-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 115505593 B, 授权公告日 2019-04-20.
发明人唐晓军,高志强,何建平. "A Process for Preparing High-Purity 4-Chloro-1-isobutyl-6-methyl-1h-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 116864284 B, 授权公告日 2022-05-26.
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