发明人孙丽萍,赵玉洁,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115427441 A, 授权公告日 2019-11-02.
Rossi M, Nielsen H, Johansson L. "Method for the Synthesis of Aminooxy-PEG4-acid" [P]. European Patent, EP 3882532 A1, 2022-04-09.
发明人周伟,张德明,胡光. "A Process for Preparing High-Purity Aminooxy-PEG4-acid" [P]. 中国发明专利, 专利号 CN 109375468 B, 授权公告日 2022-04-08.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2013, 1593, 2095-2104.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2021, 1871, 4008-4034.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Aminooxy-PEG4-acid Using HRMS and NMR". Chemosphere, 2018, 1322, (6), 7290-7298.