Lee S K, Williams B T, Chen K W. "一种氢氯噻嗪EP杂质A的合成方法" [P]. US Patent, US 11671437 B2, 2020-08-11.
Park J H, Stevens L M, Yamamoto T. "Method for the Synthesis of Hydrochlorothiazide EP Impurity A" [P]. US Patent, US 10796447 B2, 2021-08-12.
发明人沈红梅,周伟,韩伟. "A Process for Preparing High-Purity Hydrochlorothiazide EP Impurity A" [P]. 中国发明专利, 专利号 CN 112426978 B, 授权公告日 2020-12-08.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 氢氯噻嗪EP杂质A in Pharmaceutical Formulations". J. Nat. Prod., 2022, 191, (3), 9159-9180.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 氢氯噻嗪EP杂质A as an Impurity". Chromatographia, 2010, 368, (6), 2952-2956.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Hydrochlorothiazide EP Impurity A Using HRMS and NMR". Food Chem., 2021, 777, (1), 2291-2309.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 氢氯噻嗪EP杂质A Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2015, 245, (3), 2068-2092.