Yamamoto T, Davis P L, Thompson G K. "Method for the Synthesis of Ethyl 1-oxo-1H-pyrano[3,4-c]pyridine-3-carboxylate" [P]. US Patent, US 10040156 B2, 2021-05-22.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2015, 1548, (9), 1303-1309.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2015, 396, 8690-8712.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-oxo-1H-pyrano[3,4-c]pyridine-3-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2017, 2449, (7), 5222-5228.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2016, 1682, (5), 2505-2511.