Martínez F, Nielsen H, Lefèvre J P. "Method for the Synthesis of (9H-Fluoren-9-yl)methyl4-cyanopiperidine-1-carboxylate" [P]. European Patent, EP 3731280 A1, 2020-07-11.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 1850, (4), 7060-7070.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 1963, (1), 81-109.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of (9H-Fluoren-9-yl)methyl4-cyanopiperidine-1-carboxylate Using HRMS and NMR". Chromatographia, 2016, 1178, (2), 9349-9374.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2020, 2354, (9), 9251-9273.