Roberts E F, Davis P L, Hughes D C. "一种的合成方法" [P]. US Patent, US 11884435 B2, 2025-02-09.
发明人朱建伟,张德明,罗永刚. "Method for the Synthesis of (R)-2-((tert-butoxycarbonyl)amino)-4-(3,5-difluorophenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 109860974 B, 授权公告日 2020-09-19.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 2443, 9012-9026.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2021, 1575, 5978-5996.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-((tert-butoxycarbonyl)amino)-4-(3,5-difluorophenyl)butanoic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2020, 1514, (4), 4063-4083.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2024, 2007, 3697-3717.