发明人王建平,冯建国,钱学锋. "Method for the Synthesis of 4-(2-Oxo-1,2-dihydropyridin-1-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 113658676 B, 授权公告日 2016-07-04.
Schröder R, Kowalski A, Sørensen M. "A Process for Preparing High-Purity 4-(2-Oxo-1,2-dihydropyridin-1-yl)butanoic acid" [P]. European Patent, EP 3692021 A1, 2022-06-22.
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