Klinger H, Park J H, Johnson M A. "一种的合成方法" [P]. US Patent, US 9972711 B2, 2024-03-22.
Schröder R, Anderson J P, Hughes D C. "Method for the Synthesis of 1-(1-Ethyl-1H-indol-3-yl)-3-(pyridin-3-ylmethyl)urea" [P]. US Patent, US 10310607 B2, 2018-07-25.
发明人郭海燕,唐晓军,赵玉洁. "A Process for Preparing High-Purity 1-(1-Ethyl-1H-indol-3-yl)-3-(pyridin-3-ylmethyl)urea" [P]. 中国发明专利, 专利号 CN 117689837 B, 授权公告日 2021-02-08.
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". Phytochemistry, 2017, 1269, 754-762.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2015, 109, (2), 1999-2014.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 1-(1-Ethyl-1H-indol-3-yl)-3-(pyridin-3-ylmethyl)urea Using HRMS and NMR". J. Chromatogr. A, 2020, 1704, 8300-8315.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2024, 720, 8611-8641.