发明人周伟,王建平,马晓峰. "Method for the Synthesis of Methyl 4-ethyl-6,7-dimethoxy-9H-pyrido[3,4-b]indole-3-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 116764704 B, 授权公告日 2024-09-25.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 4-乙基-6,7-二甲氧基-9H-吡啶并[3,4-b]吲哚-3-羧酸甲酯盐酸盐 in Pharmaceutical Formulations". J. Agric. Food Chem., 2010, 2181, (7), 1910-1927.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-乙基-6,7-二甲氧基-9H-吡啶并[3,4-b]吲哚-3-羧酸甲酯盐酸盐 as an Impurity". Anal. Methods, 2014, 2345, (8), 4519-4533.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-ethyl-6,7-dimethoxy-9H-pyrido[3,4-b]indole-3-carboxylate hydrochloride Using HRMS and NMR". Food Chem., 2020, 681, 9661-9667.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 4-乙基-6,7-二甲氧基-9H-吡啶并[3,4-b]吲哚-3-羧酸甲酯盐酸盐 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2024, 2305, (8), 7803-7815.