发明人冯建国,林芳,朱建伟. "Method for the Synthesis of Di-tert-Butyl 4,4'-Azanediylbis(methylene)bis(3-fluoro-4-methylpiperidine-1-carboxylate)" [P]. 中国发明专利, 专利号 CN 111564790 A, 授权公告日 2018-11-18.
发明人高志强,孙丽萍,马晓峰. "A Process for Preparing High-Purity Di-tert-Butyl 4,4'-Azanediylbis(methylene)bis(3-fluoro-4-methylpiperidine-1-carboxylate)" [P]. 中国发明专利, 专利号 CN 114240541 B, 授权公告日 2019-06-01.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2010, 221, (1), 9386-9412.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2013, 323, (10), 7203-7207.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Di-tert-Butyl 4,4'-Azanediylbis(methylene)bis(3-fluoro-4-methylpiperidine-1-carboxylate) Using HRMS and NMR". Anal. Chim. Acta, 2018, 2042, 9070-9076.