Rossi M, Nowak P, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3452815 A1, 2023-07-06.
发明人高志强,郑宇鹏,杨光. "Method for the Synthesis of (4-Cyanophenyl)urea" [P]. 中国发明专利, 专利号 CN 116305262 A, 授权公告日 2022-11-17.
Park J H, Patel M V, Chen K W. "A Process for Preparing High-Purity (4-Cyanophenyl)urea" [P]. US Patent, US 9504873 B2, 2022-10-16.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2023, 1590, (10), 3284-3306.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2012, 1978, (8), 6929-6955.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of (4-Cyanophenyl)urea Using HRMS and NMR". Chemosphere, 2015, 1209, (1), 4581-4587.