发明人沈红梅,李文辉,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117478307 A, 授权公告日 2017-09-21.
发明人王建平,何建平,郭海燕. "Method for the Synthesis of 4,5-Dimethoxy-2-methylbenzonitrile" [P]. 中国发明专利, 专利号 CN 112551188 A, 授权公告日 2020-05-24.
Thompson G K, Anderson J P, Kumar R. "A Process for Preparing High-Purity 4,5-Dimethoxy-2-methylbenzonitrile" [P]. US Patent, US 9975886 B2, 2018-04-12.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2021, 2132, (1), 3742-3762.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 1244, (9), 879-902.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-Dimethoxy-2-methylbenzonitrile Using HRMS and NMR". J. Chromatogr. A, 2022, 281, (7), 568-586.