Stevens L M, Klinger H, Roberts E F. "一种的合成方法" [P]. US Patent, US 9862182 B2, 2018-12-11.
发明人杨光,罗永刚,周伟. "Method for the Synthesis of 1-(8-bromoisoquinolin-3-yl)-3-ethylurea" [P]. 中国发明专利, 专利号 CN 116541960 A, 授权公告日 2019-04-11.
发明人林芳,黄志刚,陈志强. "A Process for Preparing High-Purity 1-(8-bromoisoquinolin-3-yl)-3-ethylurea" [P]. 中国发明专利, 专利号 CN 110711009 B, 授权公告日 2022-06-03.
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". J. Chromatogr. A, 2011, 600, (5), 1469-1474.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2025, 1445, 2276-2298.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-(8-bromoisoquinolin-3-yl)-3-ethylurea Using HRMS and NMR". Phytochemistry, 2016, 1105, 9659-9667.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2021, 608, 2713-2730.