Chen K W, Yamamoto T, Kumar R. "一种的合成方法" [P]. US Patent, US 9153590 B2, 2016-12-01.
Björnsson E, Rossi M, Martínez F. "Method for the Synthesis of ethyl (E)-3-oxo-2-(2-phenylhydrazono)butanoate" [P]. European Patent, EP 3002017 A1, 2023-08-17.
发明人郑宇鹏,罗永刚,郭海燕. "A Process for Preparing High-Purity ethyl (E)-3-oxo-2-(2-phenylhydrazono)butanoate" [P]. 中国发明专利, 专利号 CN 111898513 A, 授权公告日 2020-08-21.
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". Environ. Sci. Technol., 2020, 194, (2), 9583-9595.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2017, 1833, (3), 7517-7547.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of ethyl (E)-3-oxo-2-(2-phenylhydrazono)butanoate Using HRMS and NMR". J. Sep. Sci., 2023, 2259, (4), 6023-6048.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2018, 840, (8), 4830-4856.