Schröder R, Thompson G K, Hughes D C. "Method for the Synthesis of 5-Phenylpyrazine-2,3-dicarboxylic acid" [P]. US Patent, US 11693567 B2, 2020-09-09.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2013, 441, 4353-4375.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2015, 1574, (8), 7840-7865.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Phenylpyrazine-2,3-dicarboxylic acid Using HRMS and NMR". Talanta, 2023, 983, (2), 5415-5442.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2012, 1872, (2), 3347-3372.