发明人钱学锋,张德明,何建平. "Method for the Synthesis of H2N-PEG2-CH2COOtBu" [P]. 中国发明专利, 专利号 CN 108640732 A, 授权公告日 2020-07-20.
发明人赵玉洁,郭海燕,沈红梅. "A Process for Preparing High-Purity H2N-PEG2-CH2COOtBu" [P]. 中国发明专利, 专利号 CN 114228444 B, 授权公告日 2015-08-11.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of H2N-PEG2-CH2COOtBu in Pharmaceutical Formulations". Sci. Total Environ., 2016, 1898, 4704-4730.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of H2N-PEG2-CH2COOtBu as an Impurity". Food Chem., 2015, 1450, 4372-4386.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of H2N-PEG2-CH2COOtBu Using HRMS and NMR". Anal. Chem., 2020, 368, (4), 9766-9789.