Schröder R, Mueller T C, Johansson L. "一种的合成方法" [P]. European Patent, EP 3116260 A1, 2017-01-12.
Stevens L M, Williams B T, Davis P L. "Method for the Synthesis of 1-(1H-Indol-3-yl)-3-(pyridin-2-yl)urea" [P]. US Patent, US 11167460 B2, 2021-06-11.
发明人胡光,钱学锋,沈红梅. "A Process for Preparing High-Purity 1-(1H-Indol-3-yl)-3-(pyridin-2-yl)urea" [P]. 中国发明专利, 专利号 CN 113633692 B, 授权公告日 2018-11-09.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 2147, 8890-8901.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2013, 132, (8), 6157-6179.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 1-(1H-Indol-3-yl)-3-(pyridin-2-yl)urea Using HRMS and NMR". Anal. Chim. Acta, 2020, 930, (9), 3358-3376.