Yamamoto T, Schröder R, Lee S K. "一种的合成方法" [P]. US Patent, US 11080384 B2, 2017-11-24.
Johnson M A, Davis P L, Schröder R. "Method for the Synthesis of Ethyl 1-((4-fluorophenyl)sulfonyl)azetidine-3-carboxylate" [P]. US Patent, US 10262481 B2, 2024-07-06.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2016, 582, 7908-7926.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2011, 1316, (12), 9475-9487.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-((4-fluorophenyl)sulfonyl)azetidine-3-carboxylate Using HRMS and NMR". Food Chem., 2016, 1520, (2), 5114-5136.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2016, 2415, 8046-8070.