Roberts E F, Schröder R, Lee S K. "一种的合成方法" [P]. US Patent, US 9208251 B2, 2019-12-11.
发明人高志强,沈红梅,冯建国. "Method for the Synthesis of Urea, N-[4-[(6-chloro-2-methyl-4-pyrimidinyl)amino]-3-fluorophenyl]-N'-(4-fluorophenyl)-" [P]. 中国发明专利, 专利号 CN 113488717 B, 授权公告日 2020-10-05.
发明人沈红梅,黄志刚,杨光. "A Process for Preparing High-Purity Urea, N-[4-[(6-chloro-2-methyl-4-pyrimidinyl)amino]-3-fluorophenyl]-N'-(4-fluorophenyl)-" [P]. 中国发明专利, 专利号 CN 112691053 B, 授权公告日 2021-10-12.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2010, 1417, (10), 3191-3203.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2017, 364, (3), 6853-6866.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Urea, N-[4-[(6-chloro-2-methyl-4-pyrimidinyl)amino]-3-fluorophenyl]-N'-(4-fluorophenyl)- Using HRMS and NMR". Biomed. Chromatogr., 2011, 2229, (6), 4499-4506.