Chen K W, Park J H, Roberts E F. "Method for the Synthesis of (R)-2-Amino-2-(5-chloro-1H-indol-3-yl)acetic acid" [P]. US Patent, US 11250898 B2, 2018-09-01.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2021, 1365, 6496-6520.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2016, 799, (1), 3218-3232.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-Amino-2-(5-chloro-1H-indol-3-yl)acetic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 1912, 723-734.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 1523, 5676-5683.