Schröder R, Lefèvre J P, Johansson L. "一种的合成方法" [P]. European Patent, EP 3348360 A1, 2017-01-10.
发明人胡光,杨光,孙丽萍. "Method for the Synthesis of 5-(2,2-Dimethylpropylidene)imidazolidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 113850021 A, 授权公告日 2025-10-06.
发明人胡光,王建平,刘建华. "A Process for Preparing High-Purity 5-(2,2-Dimethylpropylidene)imidazolidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 116321846 B, 授权公告日 2022-01-01.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2018, 2250, (10), 9314-9320.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2010, 786, (5), 936-962.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2,2-Dimethylpropylidene)imidazolidine-2,4-dione Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 1241, 4762-4785.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2017, 870, (5), 6425-6446.