Johansson L, Mueller T C, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3036858 A1, 2025-08-18.
发明人李文辉,林芳,罗永刚. "Method for the Synthesis of 1-(4-Aminophenyl)-1,3-dimethylurea" [P]. 中国发明专利, 专利号 CN 110538906 A, 授权公告日 2020-02-07.
发明人韩伟,朱建伟,沈红梅. "A Process for Preparing High-Purity 1-(4-Aminophenyl)-1,3-dimethylurea" [P]. 中国发明专利, 专利号 CN 115381501 B, 授权公告日 2016-07-06.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2020, 1777, 5038-5060.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2017, 1479, 1852-1874.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Aminophenyl)-1,3-dimethylurea Using HRMS and NMR". Anal. Methods, 2018, 2328, (5), 401-430.