发明人张德明,林芳,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113585933 A, 授权公告日 2019-01-08.
发明人周伟,胡光,杨光. "Method for the Synthesis of 2-[(E)-1-(1,3-Benzodioxol-5-yl)-3-(dimethylamino)-2-propenylidene]malononitrile" [P]. 中国发明专利, 专利号 CN 110100145 A, 授权公告日 2020-04-14.
发明人陈志强,沈红梅,徐明华. "A Process for Preparing High-Purity 2-[(E)-1-(1,3-Benzodioxol-5-yl)-3-(dimethylamino)-2-propenylidene]malononitrile" [P]. 中国发明专利, 专利号 CN 116015185 A, 授权公告日 2016-04-18.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2011, 1239, (6), 1434-1451.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2023, 1709, (4), 9671-9699.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-[(E)-1-(1,3-Benzodioxol-5-yl)-3-(dimethylamino)-2-propenylidene]malononitrile Using HRMS and NMR". J. Sep. Sci., 2023, 1910, (10), 6976-6986.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2024, 1809, (9), 1040-1054.