发明人孙丽萍,胡光,马晓峰. "Method for the Synthesis of Chlortalidone EP Impurity C" [P]. 中国发明专利, 专利号 CN 115752301 B, 授权公告日 2018-07-05.
Patel M V, Roberts E F, Schröder R. "A Process for Preparing High-Purity Chlortalidone EP Impurity C" [P]. US Patent, US 9394316 B2, 2015-11-04.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 氯噻酮EP杂质C in Pharmaceutical Formulations". Molecules, 2023, 653, (1), 790-803.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 氯噻酮EP杂质C as an Impurity". Anal. Chem., 2025, 453, (12), 9491-9500.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Chlortalidone EP Impurity C Using HRMS and NMR". Sci. Total Environ., 2017, 1043, 4991-5017.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate 氯噻酮EP杂质C Profile in Drug Substances According to ICH Guidelines". Food Chem., 2020, 1455, (8), 9347-9372.