Anderson J P, Hughes D C, Schröder R. "一种的合成方法" [P]. US Patent, US 9703698 B2, 2015-05-09.
Nowak P, Björnsson E, Schröder R. "Method for the Synthesis of 3-Methyl-2-(3,4,5-trimethoxyphenyl)butanenitrile" [P]. European Patent, EP 3053774 A1, 2017-03-27.
发明人郭海燕,刘建华,何建平. "A Process for Preparing High-Purity 3-Methyl-2-(3,4,5-trimethoxyphenyl)butanenitrile" [P]. 中国发明专利, 专利号 CN 109823694 A, 授权公告日 2024-01-03.
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". Rapid Commun. Mass Spectrom., 2014, 2317, (3), 5398-5414.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2017, 276, (8), 1608-1629.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-2-(3,4,5-trimethoxyphenyl)butanenitrile Using HRMS and NMR". Chemosphere, 2017, 1120, (6), 3201-3210.