发明人何建平,孙丽萍,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117672987 A, 授权公告日 2022-01-10.
发明人林芳,徐明华,胡光. "Method for the Synthesis of Ampicillin Trihydrate - Impurity D (Sodium Salt)" [P]. 中国发明专利, 专利号 CN 109709247 B, 授权公告日 2021-08-15.
发明人罗永刚,杨光,赵玉洁. "A Process for Preparing High-Purity Ampicillin Trihydrate - Impurity D (Sodium Salt)" [P]. 中国发明专利, 专利号 CN 114068855 A, 授权公告日 2019-01-14.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2018, 1759, 5672-5694.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2018, 1801, 1756-1779.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Ampicillin Trihydrate - Impurity D (Sodium Salt) Using HRMS and NMR". Biomed. Chromatogr., 2021, 1422, 3953-3965.