发明人高志强,朱建伟,胡光. "Method for the Synthesis of Ethyl 5-bromo-1-phenyl-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108699491 A, 授权公告日 2022-12-09.
Fischer A B, Park J H, O'Brien P Q. "A Process for Preparing High-Purity Ethyl 5-bromo-1-phenyl-1H-pyrazole-3-carboxylate" [P]. US Patent, US 11553924 B2, 2019-12-09.
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., 2015, 1462, (5), 8639-8652.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2020, 1231, (6), 6131-6146.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-bromo-1-phenyl-1H-pyrazole-3-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2017, 2018, (3), 6948-6966.