Mueller T, Kumar R, Johnson M A. "Method for the Synthesis of (1R,4r)-N1-(pyrazin-2-yl)cyclohexane-1,4-diamine hydrochloride" [P]. US Patent, US 10544943 B2, 2025-05-14.
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". Biomed. Chromatogr., 2014, 792, 4466-4471.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2020, 2452, 6490-6510.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of (1R,4r)-N1-(pyrazin-2-yl)cyclohexane-1,4-diamine hydrochloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 1473, 3506-3522.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2025, 212, 9302-9321.