Roberts E F, Klinger H, Davis P L. "Method for the Synthesis of 2-(Isonicotinoylhydrazono)propanoic acid" [P]. US Patent, US 9082895 B2, 2020-03-17.
Patel M V, Yamamoto T, Hughes D C. "A Process for Preparing High-Purity 2-(Isonicotinoylhydrazono)propanoic acid" [P]. US Patent, US 11798131 B2, 2023-12-12.
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". Phytochemistry, 2012, 1702, (9), 6378-6384.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2017, 787, (4), 4759-4784.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Isonicotinoylhydrazono)propanoic acid Using HRMS and NMR". J. Sep. Sci., 2020, 341, (4), 5860-5888.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2025, 1242, (5), 7951-7954.