Rossi M, Kowalski A, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3234171 A1, 2023-01-01.
发明人周伟,冯建国,孙丽萍. "Method for the Synthesis of N-[6-Chloro-4-(trifluoromethyl)-2-pyridyl]-N'-(2-methylphenyl)urea" [P]. 中国发明专利, 专利号 CN 117841974 A, 授权公告日 2023-05-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2019, 777, (9), 9380-9396.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 926, (1), 7277-7295.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of N-[6-Chloro-4-(trifluoromethyl)-2-pyridyl]-N'-(2-methylphenyl)urea Using HRMS and NMR". Biomed. Chromatogr., 2021, 1672, 1445-1461.