发明人钱学锋,胡光,杨光. "Method for the Synthesis of 3-Butyl-1-(3-cyano-4-methylphenyl)urea" [P]. 中国发明专利, 专利号 CN 111921388 A, 授权公告日 2024-03-15.
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". Talanta, 2010, 2172, (1), 2796-2801.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2010, 257, 5175-5191.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 3-Butyl-1-(3-cyano-4-methylphenyl)urea Using HRMS and NMR". Anal. Chem., 2015, 2451, (7), 5872-5876.