发明人罗永刚,黄志刚,冯建国. "Method for the Synthesis of 1-methyl-1-(pyridin-3-yl)urea" [P]. 中国发明专利, 专利号 CN 113905490 B, 授权公告日 2019-12-12.
Anderson J P, Roberts E F, Yamamoto T. "A Process for Preparing High-Purity 1-methyl-1-(pyridin-3-yl)urea" [P]. US Patent, US 9272685 B2, 2015-04-28.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 1-methyl-1-(pyridin-3-yl)urea in Pharmaceutical Formulations". Anal. Methods, 2017, 1922, (6), 1473-1501.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-methyl-1-(pyridin-3-yl)urea as an Impurity". Anal. Chim. Acta, 2016, 1739, 3217-3240.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 1-methyl-1-(pyridin-3-yl)urea Using HRMS and NMR". Anal. Chem., 2015, 181, 6485-6512.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 1-methyl-1-(pyridin-3-yl)urea Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2023, 2238, 3032-3059.