Lee S K, Kumar R, Stevens L M. "一种的合成方法" [P]. US Patent, US 9253305 B2, 2015-04-17.
发明人林芳,刘建华,钱学锋. "Method for the Synthesis of 2,2-Dimethyl-5,5-diphenylimidazolidine-4-thione" [P]. 中国发明专利, 专利号 CN 110348064 A, 授权公告日 2015-10-23.
发明人黄志刚,胡光,王建平. "A Process for Preparing High-Purity 2,2-Dimethyl-5,5-diphenylimidazolidine-4-thione" [P]. 中国发明专利, 专利号 CN 111091830 A, 授权公告日 2022-03-19.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2023, 1551, (9), 1845-1859.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2019, 2035, 5563-5581.