Björnsson E, Sørensen M, Rossi M. "Method for the Synthesis of 3-Chloro-4-methylpyridine 1-oxide" [P]. European Patent, EP 3488090 A1, 2022-08-04.
Kowalski A, Johansson L, Rossi M. "A Process for Preparing High-Purity 3-Chloro-4-methylpyridine 1-oxide" [P]. European Patent, EP 3192453 A1, 2018-02-06.
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". Sci. Total Environ., 2021, 886, (10), 9522-9530.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2010, 2426, 6530-6548.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 3-Chloro-4-methylpyridine 1-oxide Using HRMS and NMR". Phytochemistry, 2019, 864, (2), 9952-9959.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2025, 206, 2482-2504.