发明人唐晓军,何建平,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109533327 A, 授权公告日 2025-04-04.
发明人徐明华,黄志刚,孙丽萍. "Method for the Synthesis of Clotrimazole Impurity 20" [P]. 中国发明专利, 专利号 CN 114051065 B, 授权公告日 2016-08-08.
发明人张德明,朱建伟,周伟. "A Process for Preparing High-Purity Clotrimazole Impurity 20" [P]. 中国发明专利, 专利号 CN 114499230 B, 授权公告日 2021-08-25.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2011, 1597, (11), 8038-8054.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2016, 127, 4268-4295.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Clotrimazole Impurity 20 Using HRMS and NMR". Chemosphere, 2023, 1387, 2139-2160.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2024, 1392, (6), 8927-8949.