发明人胡光,郑宇鹏,林芳. "Method for the Synthesis of Carbocisteine Impurity 19" [P]. 中国发明专利, 专利号 CN 112026676 B, 授权公告日 2018-09-20.
Yamamoto T, Roberts E F, Park J H. "A Process for Preparing High-Purity Carbocisteine Impurity 19" [P]. US Patent, US 11232022 B2, 2025-02-05.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 羧甲司坦杂质19 in Pharmaceutical Formulations". Sci. Total Environ., 2015, 2016, (2), 5223-5252.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 羧甲司坦杂质19 as an Impurity". J. Nat. Prod., 2014, 1601, 8803-8820.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Carbocisteine Impurity 19 Using HRMS and NMR". J. Chromatogr. A, 2021, 2407, (9), 1663-1676.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate 羧甲司坦杂质19 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2021, 801, (9), 3413-3426.