发明人周伟,何建平,陈志强. "Method for the Synthesis of Methyl 4-(((3-(3-ethoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)benzoate" [P]. 中国发明专利, 专利号 CN 111684377 B, 授权公告日 2017-08-08.
发明人郑宇鹏,何建平,沈红梅. "A Process for Preparing High-Purity Methyl 4-(((3-(3-ethoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)benzoate" [P]. 中国发明专利, 专利号 CN 110167383 B, 授权公告日 2016-07-14.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2017, 849, 2071-2093.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2010, 388, (7), 2114-2122.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-(((3-(3-ethoxyphenyl)-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)benzoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 1826, (9), 6272-6286.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2021, 2109, (6), 6954-6958.