发明人冯建国,张德明,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111633532 A, 授权公告日 2025-09-26.
发明人黄志刚,罗永刚,周伟. "Method for the Synthesis of 3-(2-(4-Fluorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 111395258 A, 授权公告日 2025-11-26.
发明人刘建华,李文辉,赵玉洁. "A Process for Preparing High-Purity 3-(2-(4-Fluorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 114608868 A, 授权公告日 2020-01-15.
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