发明人杨光,刘建华,何建平. "Method for the Synthesis of rel-7-(tert-Butyl) 4-ethyl (4S,4aR,9aS)-1-oxodecahydro-7H-pyrido[3,4-d]azepine-4,7-dicarboxylate" [P]. 中国发明专利, 专利号 CN 108657830 B, 授权公告日 2024-05-01.
发明人钱学锋,沈红梅,黄志刚. "A Process for Preparing High-Purity rel-7-(tert-Butyl) 4-ethyl (4S,4aR,9aS)-1-oxodecahydro-7H-pyrido[3,4-d]azepine-4,7-dicarboxylate" [P]. 中国发明专利, 专利号 CN 117761204 B, 授权公告日 2022-07-09.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 506, (1), 6772-6790.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2011, 280, (2), 590-599.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of rel-7-(tert-Butyl) 4-ethyl (4S,4aR,9aS)-1-oxodecahydro-7H-pyrido[3,4-d]azepine-4,7-dicarboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 217, (3), 4675-4700.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2025, 574, (5), 1433-1460.