Park J H, Patel M V, O'Brien P Q. "Method for the Synthesis of Ethyl 2-(2-bromo-6-cyano-3-formylphenyl)acetate" [P]. US Patent, US 10454843 B2, 2016-05-15.
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". Rapid Commun. Mass Spectrom., 2016, 1049, 9437-9453.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2024, 2148, (6), 9475-9493.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(2-bromo-6-cyano-3-formylphenyl)acetate Using HRMS and NMR". Chromatographia, 2025, 2032, (3), 4646-4667.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2022, 2250, (8), 7455-7460.