Brown S R, Anderson J P, Patel M V. "Method for the Synthesis of 6-Methyl-3-(1h-1,2,3,4-tetrazol-5-yl)-1,2-dihydropyridin-2-one" [P]. US Patent, US 10902237 B2, 2025-08-03.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2011, 1813, (5), 3082-3100.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2025, 2061, (8), 7810-7814.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methyl-3-(1h-1,2,3,4-tetrazol-5-yl)-1,2-dihydropyridin-2-one Using HRMS and NMR". J. Sep. Sci., 2022, 1658, (4), 3410-3413.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2021, 1264, 7125-7130.