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发明人杨光,何建平,钱学锋. "Method for the Synthesis of Methyl 4-(azetidin-3-yloxy)-1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115381153 B, 授权公告日 2021-03-25.
发明人胡光,陈志强,徐明华. "A Process for Preparing High-Purity Methyl 4-(azetidin-3-yloxy)-1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113427934 B, 授权公告日 2017-03-12.
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