发明人李文辉,罗永刚,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114137089 A, 授权公告日 2020-09-20.
发明人黄志刚,冯建国,何建平. "Method for the Synthesis of Ethyl 6-hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 112067153 A, 授权公告日 2020-10-17.
发明人何建平,冯建国,王建平. "A Process for Preparing High-Purity Ethyl 6-hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 116870152 B, 授权公告日 2025-01-23.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2019, 2280, 1993-2017.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2012, 667, 2115-2139.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 6-hydroxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate hydrochloride Using HRMS and NMR". Chromatographia, 2022, 1952, 2857-2860.