O'Brien P Q, Kumar R, Hughes D C. "Method for the Synthesis of 2-(4-Methylpiperazin-1-yl)pyridine-4-carboxylic acid" [P]. US Patent, US 9754502 B2, 2017-12-15.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2022, 201, (11), 3709-3733.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2019, 1705, 8919-8927.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Methylpiperazin-1-yl)pyridine-4-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2013, 1840, 411-416.