发明人孙丽萍,黄志刚,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111503535 A, 授权公告日 2025-03-07.
发明人周伟,黄志刚,沈红梅. "Method for the Synthesis of 4-Methoxy-3-(2-methoxy-2-oxoethoxy)benzoic acid" [P]. 中国发明专利, 专利号 CN 117495177 A, 授权公告日 2019-10-27.
发明人郑宇鹏,胡光,冯建国. "A Process for Preparing High-Purity 4-Methoxy-3-(2-methoxy-2-oxoethoxy)benzoic acid" [P]. 中国发明专利, 专利号 CN 116068406 A, 授权公告日 2018-12-04.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2023, 1412, (11), 60-83.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2025, 666, 8614-8641.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methoxy-3-(2-methoxy-2-oxoethoxy)benzoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 1824, 1197-1211.