Chen K W, Thompson G K, Lee S K. "一种的合成方法" [P]. US Patent, US 10979415 B2, 2019-03-14.
发明人钱学锋,李文辉,刘建华. "Method for the Synthesis of (2R)-N-[(1S)-1-(1,3-Benzodioxol-5-yl)butyl]-3,3-diethyl-2-{4-[(4-methyl-1-piperazinyl)carbonyl]phenoxy}-4-oxo-1-azetidinecarboxamide" [P]. 中国发明专利, 专利号 CN 112891472 A, 授权公告日 2019-08-06.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2010, 1117, (5), 5669-5692.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2012, 1694, (8), 3941-3957.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of (2R)-N-[(1S)-1-(1,3-Benzodioxol-5-yl)butyl]-3,3-diethyl-2-{4-[(4-methyl-1-piperazinyl)carbonyl]phenoxy}-4-oxo-1-azetidinecarboxamide Using HRMS and NMR". Anal. Methods, 2025, 1037, (6), 6405-6416.