O'Brien P Q, Chen K W, Williams B T. "一种的合成方法" [P]. US Patent, US 11827427 B2, 2018-04-07.
Yamamoto T, Hughes D C, Stevens L M. "Method for the Synthesis of 2-(1-(2-(Methyl(5-(piperidin-1-ylmethyl)furan-2-yl)amino)ethyl)imidazolidin-2-ylidene)malononitrile fumarate" [P]. US Patent, US 11754371 B2, 2021-11-23.
发明人冯建国,唐晓军,黄志刚. "A Process for Preparing High-Purity 2-(1-(2-(Methyl(5-(piperidin-1-ylmethyl)furan-2-yl)amino)ethyl)imidazolidin-2-ylidene)malononitrile fumarate" [P]. 中国发明专利, 专利号 CN 115834693 A, 授权公告日 2015-02-19.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2024, 1625, 9624-9645.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2016, 1316, (4), 9457-9469.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2-(1-(2-(Methyl(5-(piperidin-1-ylmethyl)furan-2-yl)amino)ethyl)imidazolidin-2-ylidene)malononitrile fumarate Using HRMS and NMR". Chemosphere, 2022, 119, 5376-5392.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2021, 2065, (3), 9843-9862.