Johansson L, Jørgensen K, Mueller T C. "Method for the Synthesis of 2-Chloro-11-cyclopentyl-5-methyl-5H-benzo[e]pyrimido[5,4-b][1,4]diazepin-6(11H)-one" [P]. European Patent, EP 3408124 A1, 2019-01-07.
发明人朱建伟,杨光,徐明华. "A Process for Preparing High-Purity 2-Chloro-11-cyclopentyl-5-methyl-5H-benzo[e]pyrimido[5,4-b][1,4]diazepin-6(11H)-one" [P]. 中国发明专利, 专利号 CN 110813461 A, 授权公告日 2024-11-06.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2013, 368, 7994-8000.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 1523, (2), 140-151.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-11-cyclopentyl-5-methyl-5H-benzo[e]pyrimido[5,4-b][1,4]diazepin-6(11H)-one Using HRMS and NMR". J. Chromatogr. A, 2013, 2176, (2), 6565-6595.