Anderson J P, Davis P L, Mueller T. "一种的合成方法" [P]. US Patent, US 11327466 B2, 2015-09-08.
O'Brien P Q, Klinger H, Roberts E F. "Method for the Synthesis of 2-(3-((Tert-butoxycarbonyl)amino)azetidin-1-yl)-2-(thiophen-3-yl)acetic acid" [P]. US Patent, US 11717610 B2, 2023-06-13.
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". Rapid Commun. Mass Spectrom., 2025, 1714, 9775-9802.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2011, 946, (3), 5586-5593.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3-((Tert-butoxycarbonyl)amino)azetidin-1-yl)-2-(thiophen-3-yl)acetic acid Using HRMS and NMR". Biomed. Chromatogr., 2017, 2149, (9), 8787-8815.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 2193, (4), 1132-1142.