发明人胡光,钱学锋,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112226220 A, 授权公告日 2018-04-01.
发明人胡光,冯建国,孙丽萍. "Method for the Synthesis of N-[6-Chloro-4-(trifluoromethyl)-2-pyridyl]-N'-(3-methoxyphenyl)urea" [P]. 中国发明专利, 专利号 CN 113359001 A, 授权公告日 2023-06-22.
发明人钱学锋,陈志强,徐明华. "A Process for Preparing High-Purity N-[6-Chloro-4-(trifluoromethyl)-2-pyridyl]-N'-(3-methoxyphenyl)urea" [P]. 中国发明专利, 专利号 CN 117999448 A, 授权公告日 2024-09-18.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2013, 974, (7), 3846-3850.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2023, 210, 3560-3577.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of N-[6-Chloro-4-(trifluoromethyl)-2-pyridyl]-N'-(3-methoxyphenyl)urea Using HRMS and NMR". J. Sep. Sci., 2024, 1149, 1737-1741.