发明人周伟,沈红梅,孙丽萍. "Method for the Synthesis of Citric Acid impurity 8" [P]. 中国发明专利, 专利号 CN 111368510 A, 授权公告日 2017-07-06.
发明人高志强,孙丽萍,郑宇鹏. "A Process for Preparing High-Purity Citric Acid impurity 8" [P]. 中国发明专利, 专利号 CN 116101550 A, 授权公告日 2025-06-14.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 枸橼酸杂质8 in Pharmaceutical Formulations". Sci. Total Environ., 2021, 2273, 8108-8137.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 枸橼酸杂质8 as an Impurity". J. Pharm. Biomed. Anal., 2012, 1450, 9210-9236.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Citric Acid impurity 8 Using HRMS and NMR". Talanta, 2020, 2180, (12), 3039-3054.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 枸橼酸杂质8 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2016, 1373, (2), 3453-3470.