Kumar R, Schröder R, Lee S K. "Method for the Synthesis of 1-(Dimethylcarbamoyl)azetidine-3-carboxylic acid" [P]. US Patent, US 9200639 B2, 2025-11-21.
Williams B T, Mueller T, Roberts E F. "A Process for Preparing High-Purity 1-(Dimethylcarbamoyl)azetidine-3-carboxylic acid" [P]. US Patent, US 11658744 B2, 2022-09-26.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2022, 809, 9199-9213.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2023, 331, (2), 1587-1597.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Dimethylcarbamoyl)azetidine-3-carboxylic acid Using HRMS and NMR". Chromatographia, 2010, 1479, (12), 4822-4835.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2012, 1338, (11), 3714-3728.