发明人韩伟,刘建华,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116412177 A, 授权公告日 2020-03-12.
发明人罗永刚,唐晓军,钱学锋. "Method for the Synthesis of 5-Hydroxy-4-[(methoxycarbonyl)amino]-pentanoic Acid Ethyl Ester" [P]. 中国发明专利, 专利号 CN 108092398 B, 授权公告日 2023-02-20.
发明人刘建华,沈红梅,朱建伟. "A Process for Preparing High-Purity 5-Hydroxy-4-[(methoxycarbonyl)amino]-pentanoic Acid Ethyl Ester" [P]. 中国发明专利, 专利号 CN 109610183 B, 授权公告日 2025-01-17.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2018, 1601, 4932-4957.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2023, 1173, (5), 2243-2259.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5-Hydroxy-4-[(methoxycarbonyl)amino]-pentanoic Acid Ethyl Ester Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2025, 787, 8851-8873.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2013, 2387, (8), 802-823.