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发明人马晓峰,孙丽萍,郑宇鹏. "Method for the Synthesis of Methyl 2-chloro-7,8-dihydro-1,6-naphthyridine-6(5H)-carboxylate" [P]. 中国发明专利, 专利号 CN 117273819 B, 授权公告日 2021-07-24.
发明人张德明,郑宇鹏,马晓峰. "A Process for Preparing High-Purity Methyl 2-chloro-7,8-dihydro-1,6-naphthyridine-6(5H)-carboxylate" [P]. 中国发明专利, 专利号 CN 117457190 B, 授权公告日 2020-08-11.
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