发明人马晓峰,黄志刚,沈红梅. "Method for the Synthesis of Methyl 4,6,7-trimethyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110121195 A, 授权公告日 2021-05-02.
发明人罗永刚,周伟,刘建华. "A Process for Preparing High-Purity Methyl 4,6,7-trimethyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109860081 B, 授权公告日 2023-01-24.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2011, 691, (1), 9102-9123.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2017, 1123, (2), 8436-8454.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4,6,7-trimethyl-1H-indole-2-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2010, 1932, 146-150.