发明人孙丽萍,徐明华,朱建伟. "Method for the Synthesis of Buspirone EP Impurity A" [P]. 中国发明专利, 专利号 CN 113834365 B, 授权公告日 2020-08-10.
Johnson M A, Park J H, O'Brien P Q. "A Process for Preparing High-Purity Buspirone EP Impurity A" [P]. US Patent, US 11482235 B2, 2025-05-25.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 丁螺环酮EP杂质A in Pharmaceutical Formulations". Anal. Chem., 2022, 1786, 6073-6094.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 丁螺环酮EP杂质A as an Impurity". J. Agric. Food Chem., 2022, 1049, (9), 8885-8890.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Buspirone EP Impurity A Using HRMS and NMR". Biomed. Chromatogr., 2011, 1064, 9889-9895.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 丁螺环酮EP杂质A Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2015, 1375, 8918-8945.