发明人杨光,韩伟,黄志刚. "Method for the Synthesis of Ethyl 4-(3-nitrophenyl)-4-oxobutanoate" [P]. 中国发明专利, 专利号 CN 108331107 A, 授权公告日 2023-01-04.
Williams B T, Johnson M A, Chen K W. "A Process for Preparing High-Purity Ethyl 4-(3-nitrophenyl)-4-oxobutanoate" [P]. US Patent, US 11303706 B2, 2016-09-14.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2015, 1725, 4045-4053.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2021, 477, (9), 7180-7206.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-(3-nitrophenyl)-4-oxobutanoate Using HRMS and NMR". J. Chromatogr. A, 2012, 2263, 8401-8415.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2022, 82, (7), 253-275.