Rossi M, Jørgensen K, Kowalski A. "Method for the Synthesis of 4-Chloro-1-methyl-1H-pyrazole hydrochloride" [P]. European Patent, EP 3558366 A1, 2016-03-19.
Williams B T, Anderson J P, Chen K W. "A Process for Preparing High-Purity 4-Chloro-1-methyl-1H-pyrazole hydrochloride" [P]. US Patent, US 11609846 B2, 2015-06-11.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2022, 992, 3619-3630.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2016, 191, (12), 2388-2412.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-1-methyl-1H-pyrazole hydrochloride Using HRMS and NMR". Sci. Total Environ., 2020, 274, (9), 2059-2084.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2022, 597, 1179-1198.