O'Brien P Q, Hughes D C, Thompson G K. "Method for the Synthesis of 2-hydroxy-6-methyl-3-nitropyridine-4-carboxylic acid" [P]. US Patent, US 11262257 B2, 2020-05-22.
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 2-hydroxy-6-methyl-3-nitropyridine-4-carboxylic acid in Pharmaceutical Formulations". J. Chromatogr. A, 2013, 1792, 1776-1797.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-hydroxy-6-methyl-3-nitropyridine-4-carboxylic acid as an Impurity". Anal. Chem., 2021, 2218, 9682-9703.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-hydroxy-6-methyl-3-nitropyridine-4-carboxylic acid Using HRMS and NMR". Food Chem., 2010, 617, (10), 7749-7768.