发明人朱建伟,黄志刚,徐明华. "Method for the Synthesis of Diazepam EP Impurity E" [P]. 中国发明专利, 专利号 CN 110452325 B, 授权公告日 2015-10-04.
O'Brien P Q, Brown S R, Stevens L M. "A Process for Preparing High-Purity Diazepam EP Impurity E" [P]. US Patent, US 9014287 B2, 2025-07-09.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 地西泮EP杂质E in Pharmaceutical Formulations". Chromatographia, 2020, 1631, (5), 6748-6762.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 地西泮EP杂质E as an Impurity". Biomed. Chromatogr., 2017, 1585, (5), 2688-2693.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Diazepam EP Impurity E Using HRMS and NMR". Environ. Sci. Technol., 2022, 697, 9388-9407.