发明人唐晓军,孙丽萍,徐明华. "Method for the Synthesis of tert-Butyl 7-cyano-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate" [P]. 中国发明专利, 专利号 CN 111890340 A, 授权公告日 2020-03-19.
发明人张德明,孙丽萍,胡光. "A Process for Preparing High-Purity tert-Butyl 7-cyano-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate" [P]. 中国发明专利, 专利号 CN 110665882 A, 授权公告日 2023-10-18.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 506, 8959-8972.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2020, 697, (9), 6079-6108.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 7-cyano-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate Using HRMS and NMR". J. Nat. Prod., 2017, 555, (11), 2928-2943.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 83, (1), 8598-8605.