Schröder R, Mueller T, Davis P L. "一种4-羟基-2-氧代丁酸的合成方法" [P]. US Patent, US 10298456 B2, 2025-05-05.
发明人唐晓军,王建平,郭海燕. "Method for the Synthesis of 4-Hydroxy-2-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 114908137 A, 授权公告日 2019-09-16.
发明人朱建伟,马晓峰,张德明. "A Process for Preparing High-Purity 4-Hydroxy-2-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 115339707 B, 授权公告日 2021-12-03.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 4-羟基-2-氧代丁酸 in Pharmaceutical Formulations". Talanta, 2017, 1106, (1), 1988-2013.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-羟基-2-氧代丁酸 as an Impurity". J. Nat. Prod., 2012, 2410, 6159-6187.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy-2-oxobutanoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 1382, 3237-3244.