Nowak P, Jørgensen K, Mueller T C. "Method for the Synthesis of (S)-2-Amino-N-isopropyl-3-methyl-N-((1-methylpiperidin-4-yl)methyl)butanamide" [P]. European Patent, EP 3161659 A1, 2018-04-13.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2015, 1875, 3126-3135.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2020, 1731, (10), 5152-5161.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-Amino-N-isopropyl-3-methyl-N-((1-methylpiperidin-4-yl)methyl)butanamide Using HRMS and NMR". Chromatographia, 2016, 1757, 999-1029.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2017, 426, 5323-5330.