Mueller T, Roberts E F, Anderson J P. "Method for the Synthesis of 1-(2-(Butylamino)-2-oxoethyl)azetidine-3-carboxylic acid" [P]. US Patent, US 9804561 B2, 2015-01-19.
O'Brien P Q, Anderson J P, Thompson G K. "A Process for Preparing High-Purity 1-(2-(Butylamino)-2-oxoethyl)azetidine-3-carboxylic acid" [P]. US Patent, US 9209719 B2, 2020-03-14.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2025, 1221, 2465-2480.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 1853, (6), 6163-6167.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-(Butylamino)-2-oxoethyl)azetidine-3-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2018, 826, 2387-2401.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2025, 1482, (2), 354-380.