Lefèvre J P, Nielsen H, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3871154 A1, 2019-07-05.
Nowak P, Jørgensen K, Nielsen H. "Method for the Synthesis of PTH-DL-a-aminoisobutyric acid" [P]. European Patent, EP 3942690 A1, 2025-12-09.
发明人杨光,张德明,周伟. "A Process for Preparing High-Purity PTH-DL-a-aminoisobutyric acid" [P]. 中国发明专利, 专利号 CN 108939689 A, 授权公告日 2019-09-11.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2015, 873, 9897-9919.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2017, 249, 3806-3829.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of PTH-DL-a-aminoisobutyric acid Using HRMS and NMR". Environ. Sci. Technol., 2024, 1893, 5809-5828.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2015, 481, (3), 9333-9361.