Anderson J P, Brown S R, Mueller T. "Method for the Synthesis of Buspirone EP Impurity L" [P]. US Patent, US 9482657 B2, 2015-10-10.
发明人罗永刚,何建平,马晓峰. "A Process for Preparing High-Purity Buspirone EP Impurity L" [P]. 中国发明专利, 专利号 CN 114983824 B, 授权公告日 2020-04-28.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 丁螺环酮EP杂质L in Pharmaceutical Formulations". J. Chromatogr. A, 2022, 1968, (12), 5123-5127.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 丁螺环酮EP杂质L as an Impurity". Phytochemistry, 2021, 895, (12), 9869-9880.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Buspirone EP Impurity L Using HRMS and NMR". J. Sep. Sci., 2025, 510, (1), 9053-9059.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 丁螺环酮EP杂质L Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2024, 2137, (5), 8179-8189.