发明人李文辉,周伟,郭海燕. "一种卡比多巴EP杂质B盐酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 116143741 A, 授权公告日 2024-12-22.
发明人林芳,朱建伟,陈志强. "Method for the Synthesis of Carbidopa EP Impurity B Hydrochloride" [P]. 中国发明专利, 专利号 CN 116286700 A, 授权公告日 2025-07-05.
发明人朱建伟,韩伟,林芳. "A Process for Preparing High-Purity Carbidopa EP Impurity B Hydrochloride" [P]. 中国发明专利, 专利号 CN 113956617 A, 授权公告日 2024-11-17.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 卡比多巴EP杂质B盐酸盐 in Pharmaceutical Formulations". Environ. Sci. Technol., 2017, 1051, (10), 534-554.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 卡比多巴EP杂质B盐酸盐 as an Impurity". J. Pharm. Biomed. Anal., 2020, 1591, 4144-4169.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Carbidopa EP Impurity B Hydrochloride Using HRMS and NMR". Anal. Chem., 2015, 2227, (11), 1383-1411.