发明人唐晓军,李文辉,赵玉洁. "Method for the Synthesis of 3-(1-Bromo-8-chloroimidazo[1,5-a]pyrazin-3-yl)cyclobutan-1-one" [P]. 中国发明专利, 专利号 CN 108681746 B, 授权公告日 2018-09-18.
发明人何建平,李文辉,刘建华. "A Process for Preparing High-Purity 3-(1-Bromo-8-chloroimidazo[1,5-a]pyrazin-3-yl)cyclobutan-1-one" [P]. 中国发明专利, 专利号 CN 116275211 B, 授权公告日 2018-06-09.
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