发明人郭海燕,刘建华,郑宇鹏. "Method for the Synthesis of 1-(4-Benzyl-3-oxo-3,4-dihydropyrido[2,3-b]-pyrazin-2-yl)piperidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117613340 B, 授权公告日 2021-12-28.
发明人郑宇鹏,朱建伟,陈志强. "A Process for Preparing High-Purity 1-(4-Benzyl-3-oxo-3,4-dihydropyrido[2,3-b]-pyrazin-2-yl)piperidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108342846 A, 授权公告日 2025-11-24.
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