O'Brien P Q, Johnson M A, Mueller T. "Method for the Synthesis of Methyl 5-chloro-6-ethoxy-2-formylnicotinate" [P]. US Patent, US 11306689 B2, 2018-06-03.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2014, 2341, 7800-7809.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2020, 1049, 4582-4599.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-chloro-6-ethoxy-2-formylnicotinate Using HRMS and NMR". Molecules, 2011, 1384, 8787-8801.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2012, 1257, 7123-7151.