O'Brien P Q, Davis P L, Roberts E F. "一种的合成方法" [P]. US Patent, US 10513848 B2, 2017-01-01.
Stevens L M, Schröder R, Hughes D C. "Method for the Synthesis of (2S,4R)-1-Carbamimidoyl-4-hydroxypyrrolidine-2-carboxylic acid" [P]. US Patent, US 11257724 B2, 2021-07-27.
Martínez F, Johansson L, Sørensen M. "A Process for Preparing High-Purity (2S,4R)-1-Carbamimidoyl-4-hydroxypyrrolidine-2-carboxylic acid" [P]. European Patent, EP 3940999 A1, 2016-04-10.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 1122, 8713-8729.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2024, 1594, (4), 6847-6877.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (2S,4R)-1-Carbamimidoyl-4-hydroxypyrrolidine-2-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2021, 1912, (3), 8784-8811.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2011, 745, 1603-1629.