发明人郭海燕,韩伟,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108536224 A, 授权公告日 2020-09-04.
发明人高志强,刘建华,杨光. "Method for the Synthesis of 2-[(3E)-3-[(2-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}-2-oxoethoxy)imino]-1-(dimethylamino)propylidene]propanedinitrile" [P]. 中国发明专利, 专利号 CN 110105084 B, 授权公告日 2023-11-20.
发明人马晓峰,郭海燕,钱学锋. "A Process for Preparing High-Purity 2-[(3E)-3-[(2-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}-2-oxoethoxy)imino]-1-(dimethylamino)propylidene]propanedinitrile" [P]. 中国发明专利, 专利号 CN 113758389 B, 授权公告日 2015-08-27.
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". Rapid Commun. Mass Spectrom., 2018, 1801, (10), 6628-6632.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2018, 593, (2), 4987-4993.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-[(3E)-3-[(2-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}-2-oxoethoxy)imino]-1-(dimethylamino)propylidene]propanedinitrile Using HRMS and NMR". Chromatographia, 2014, 1698, (3), 182-211.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2018, 575, (8), 5650-5679.