Stevens L M, Lee S K, Fischer A B. "一种的合成方法" [P]. US Patent, US 10527393 B2, 2018-04-28.
Nowak P, Björnsson E, Martínez F. "Method for the Synthesis of tert-Butyl methyl((1r,4r)-4-(methylamino)cyclohexyl)carbamate" [P]. European Patent, EP 3890762 A1, 2021-11-25.
Kowalski A, Björnsson E, Jørgensen K. "A Process for Preparing High-Purity tert-Butyl methyl((1r,4r)-4-(methylamino)cyclohexyl)carbamate" [P]. European Patent, EP 3994083 A1, 2016-08-18.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2018, 373, (2), 3741-3763.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2016, 1099, (12), 8360-8377.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl methyl((1r,4r)-4-(methylamino)cyclohexyl)carbamate Using HRMS and NMR". Biomed. Chromatogr., 2016, 1965, (8), 5724-5729.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 1066, 9587-9590.