Brown S R, Park J H, Hughes D C. "Method for the Synthesis of 4-Ethynylpyridine Hydrochloride" [P]. US Patent, US 11674714 B2, 2015-11-14.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 4-乙炔基吡啶盐酸盐 in Pharmaceutical Formulations". Food Chem., 2019, 678, (11), 9381-9409.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-乙炔基吡啶盐酸盐 as an Impurity". Chemosphere, 2016, 2081, (6), 2255-2260.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethynylpyridine Hydrochloride Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 1983, (7), 1204-1221.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 4-乙炔基吡啶盐酸盐 Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2015, 869, 6992-7009.