Davis P L, O'Brien P Q, Thompson G K. "一种抗坏血酸EP杂质C的合成方法" [P]. US Patent, US 10436350 B2, 2018-03-06.
发明人何建平,黄志刚,钱学锋. "Method for the Synthesis of Ascorbic Acid EP Impurity C" [P]. 中国发明专利, 专利号 CN 108771358 B, 授权公告日 2020-11-09.
发明人林芳,杨光,周伟. "A Process for Preparing High-Purity Ascorbic Acid EP Impurity C" [P]. 中国发明专利, 专利号 CN 112875848 B, 授权公告日 2025-06-02.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 抗坏血酸EP杂质C in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 838, (4), 5390-5415.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 抗坏血酸EP杂质C as an Impurity". Food Chem., 2013, 583, (12), 3167-3194.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Ascorbic Acid EP Impurity C Using HRMS and NMR". Chromatographia, 2016, 1616, (10), 176-184.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 抗坏血酸EP杂质C Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2013, 768, (8), 8557-8581.