发明人冯建国,杨光,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117548802 A, 授权公告日 2018-09-01.
O'Brien P Q, Stevens L M, Fischer A B. "Method for the Synthesis of Bis-PEG7-NHS ester" [P]. US Patent, US 11605432 B2, 2020-03-13.
发明人赵玉洁,王建平,周伟. "A Process for Preparing High-Purity Bis-PEG7-NHS ester" [P]. 中国发明专利, 专利号 CN 113740925 A, 授权公告日 2021-06-07.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2018, 1924, 131-146.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2022, 1808, 3081-3093.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Bis-PEG7-NHS ester Using HRMS and NMR". Anal. Chim. Acta, 2021, 1335, 8600-8627.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2015, 446, 3365-3370.