发明人黄志刚,徐明华,赵玉洁. "Method for the Synthesis of Chlorhexidine EP Impurity J Formate" [P]. 中国发明专利, 专利号 CN 108507291 A, 授权公告日 2024-03-08.
发明人王建平,刘建华,郭海燕. "A Process for Preparing High-Purity Chlorhexidine EP Impurity J Formate" [P]. 中国发明专利, 专利号 CN 110230889 B, 授权公告日 2017-09-18.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 氯己定EP杂质J甲酸盐 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2023, 324, (5), 8686-8701.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 氯己定EP杂质J甲酸盐 as an Impurity". Anal. Methods, 2016, 90, (11), 2568-2572.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Chlorhexidine EP Impurity J Formate Using HRMS and NMR". J. Agric. Food Chem., 2013, 185, 9601-9605.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 氯己定EP杂质J甲酸盐 Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2016, 416, (12), 5392-5417.