Schröder R, Roberts E F, Klinger H. "一种的合成方法" [P]. US Patent, US 11303826 B2, 2017-03-27.
发明人杨光,何建平,沈红梅. "Method for the Synthesis of 1-(2-Chloro-4-fluorophenyl)-3-methylurea" [P]. 中国发明专利, 专利号 CN 113916705 B, 授权公告日 2020-08-11.
Johansson L, Martínez F, Lefèvre J P. "A Process for Preparing High-Purity 1-(2-Chloro-4-fluorophenyl)-3-methylurea" [P]. European Patent, EP 3134194 A1, 2020-02-06.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2014, 1988, (5), 8665-8693.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2018, 2454, (10), 1477-1482.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Chloro-4-fluorophenyl)-3-methylurea Using HRMS and NMR". Anal. Methods, 2022, 1497, (6), 3568-3582.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2010, 634, 285-309.