Johnson M A, Park J H, Chen K W. "一种的合成方法" [P]. US Patent, US 10291924 B2, 2023-03-19.
Yamamoto T, Park J H, Johnson M A. "Method for the Synthesis of 2-(2,5-Dimethoxybenzylidene)malononitrile" [P]. US Patent, US 9590019 B2, 2020-12-03.
发明人孙丽萍,王建平,沈红梅. "A Process for Preparing High-Purity 2-(2,5-Dimethoxybenzylidene)malononitrile" [P]. 中国发明专利, 专利号 CN 108949490 B, 授权公告日 2020-10-18.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2020, 2318, 1279-1289.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2012, 1935, (7), 3887-3895.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2,5-Dimethoxybenzylidene)malononitrile Using HRMS and NMR". Chromatographia, 2022, 726, 9533-9557.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2017, 1668, (9), 7398-7404.