发明人高志强,胡光,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110715993 A, 授权公告日 2021-10-15.
Nielsen H, Jørgensen K, Johansson L. "Method for the Synthesis of (S)-Ethyl 2',3',4',9'-tetrahydrospiro[cyclobutane-1,1'-pyrido[3,4-b]indole]-3'-carboxylate" [P]. European Patent, EP 3567848 A1, 2022-12-24.
Williams B T, Park J H, Patel M V. "A Process for Preparing High-Purity (S)-Ethyl 2',3',4',9'-tetrahydrospiro[cyclobutane-1,1'-pyrido[3,4-b]indole]-3'-carboxylate" [P]. US Patent, US 9450576 B2, 2022-06-21.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2014, 2252, 2317-2346.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2023, 221, 4550-4574.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of (S)-Ethyl 2',3',4',9'-tetrahydrospiro[cyclobutane-1,1'-pyrido[3,4-b]indole]-3'-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2016, 2424, (7), 2008-2012.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2017, 1188, (3), 4987-5015.