Johansson L, Nielsen H, Mueller T C. "Method for the Synthesis of 2-Formyl-6-nitroisonicotinic acid" [P]. European Patent, EP 3491434 A1, 2019-04-23.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2016, 997, (7), 5425-5438.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2015, 388, 6944-6957.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Formyl-6-nitroisonicotinic acid Using HRMS and NMR". J. Nat. Prod., 2021, 1773, (2), 1943-1947.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2015, 2305, (7), 5068-5097.