Schröder R, Williams B T, Yamamoto T. "一种的合成方法" [P]. US Patent, US 9626203 B2, 2023-11-15.
发明人赵玉洁,何建平,唐晓军. "Method for the Synthesis of (E)-2-(3-((2,5-dimethoxyphenyl)amino)-1-(dimethylamino)allylidene)malononitrile" [P]. 中国发明专利, 专利号 CN 116688444 A, 授权公告日 2024-10-25.
发明人徐明华,杨光,高志强. "A Process for Preparing High-Purity (E)-2-(3-((2,5-dimethoxyphenyl)amino)-1-(dimethylamino)allylidene)malononitrile" [P]. 中国发明专利, 专利号 CN 117176056 A, 授权公告日 2015-02-21.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 971, (2), 819-824.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2012, 196, (3), 7897-7918.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of (E)-2-(3-((2,5-dimethoxyphenyl)amino)-1-(dimethylamino)allylidene)malononitrile Using HRMS and NMR". J. Nat. Prod., 2023, 1728, (8), 3897-3910.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2021, 1366, (8), 8855-8859.