Brown S R, Klinger H, Park J H. "一种的合成方法" [P]. US Patent, US 9345728 B2, 2025-09-24.
发明人赵玉洁,唐晓军,罗永刚. "Method for the Synthesis of 4-((1-(2-Ethoxy-5-methylphenyl)ethyl)amino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 109308407 A, 授权公告日 2023-06-19.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2018, 1861, (6), 5706-5713.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2019, 778, (11), 9368-9393.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 4-((1-(2-Ethoxy-5-methylphenyl)ethyl)amino)-4-oxobutanoic acid Using HRMS and NMR". Phytochemistry, 2014, 727, (8), 2042-2069.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2013, 1402, 4120-4123.