Lefèvre J P, Jørgensen K, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3433930 A1, 2025-09-06.
Lee S K, Roberts E F, Fischer A B. "Method for the Synthesis of R-3-(2-Aminopropionylamino)propionic acid methyl ester" [P]. US Patent, US 11654237 B2, 2021-12-03.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2019, 1732, (3), 5617-5639.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2024, 2109, 4520-4533.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of R-3-(2-Aminopropionylamino)propionic acid methyl ester Using HRMS and NMR". Environ. Sci. Technol., 2018, 1034, (8), 4296-4311.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2021, 502, 1866-1871.