发明人马晓峰,郑宇鹏,沈红梅. "Method for the Synthesis of 2-(3-Bromophenyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 117787863 B, 授权公告日 2016-05-25.
发明人唐晓军,冯建国,韩伟. "A Process for Preparing High-Purity 2-(3-Bromophenyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 117988296 A, 授权公告日 2025-12-15.
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