Hughes D C, Mueller T, Lee S K. "Method for the Synthesis of Ethyl5-amino-1-(quinoxalin-2-yl)-1h-pyrazole-4-carboxylate" [P]. US Patent, US 9034848 B2, 2022-02-14.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 761, 7305-7323.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2024, 1884, 7363-7379.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl5-amino-1-(quinoxalin-2-yl)-1h-pyrazole-4-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2025, 2176, (6), 2541-2562.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2017, 1813, (3), 6807-6826.