发明人周伟,刘建华,冯建国. "Method for the Synthesis of N-[1-(R)-Ethyloxycarbonyl-3-phenylpropyl]-L-alanine tert-Butyl Ester" [P]. 中国发明专利, 专利号 CN 113310247 B, 授权公告日 2025-12-25.
发明人陈志强,何建平,孙丽萍. "A Process for Preparing High-Purity N-[1-(R)-Ethyloxycarbonyl-3-phenylpropyl]-L-alanine tert-Butyl Ester" [P]. 中国发明专利, 专利号 CN 114055388 B, 授权公告日 2018-06-26.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2017, 803, 7071-7090.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2014, 1769, (5), 1185-1194.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of N-[1-(R)-Ethyloxycarbonyl-3-phenylpropyl]-L-alanine tert-Butyl Ester Using HRMS and NMR". Anal. Methods, 2012, 1692, (4), 8487-8510.