Mueller T, Park J H, Kumar R. "一种羧甲司坦杂质52的合成方法" [P]. US Patent, US 9410850 B2, 2025-03-21.
发明人林芳,陈志强,胡光. "Method for the Synthesis of Carbocisteine Impurity 52" [P]. 中国发明专利, 专利号 CN 113241718 B, 授权公告日 2023-10-08.
Park J H, Hughes D C, Anderson J P. "A Process for Preparing High-Purity Carbocisteine Impurity 52" [P]. US Patent, US 9895125 B2, 2023-03-04.
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 羧甲司坦杂质52 in Pharmaceutical Formulations". Food Chem., 2010, 598, 6010-6037.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 羧甲司坦杂质52 as an Impurity". Environ. Sci. Technol., 2015, 1557, (9), 4319-4333.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Carbocisteine Impurity 52 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 2200, 129-149.