Mueller T, Klinger H, Patel M V. "Method for the Synthesis of Ethyl 1,4-dihydroxyisoquinoline-3-carboxylate" [P]. US Patent, US 11092040 B2, 2021-08-27.
发明人朱建伟,李文辉,张德明. "A Process for Preparing High-Purity Ethyl 1,4-dihydroxyisoquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109932597 A, 授权公告日 2023-11-07.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2021, 2124, (4), 6829-6835.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2013, 1213, 8963-8983.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1,4-dihydroxyisoquinoline-3-carboxylate Using HRMS and NMR". Anal. Methods, 2020, 501, 8226-8238.