发明人孙丽萍,胡光,黄志刚. "Method for the Synthesis of 3-Ethyl-5-(4-hydroxyphenyl)imidazolidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 115543002 A, 授权公告日 2019-08-16.
Hughes D C, Thompson G K, Mueller T. "A Process for Preparing High-Purity 3-Ethyl-5-(4-hydroxyphenyl)imidazolidine-2,4-dione" [P]. US Patent, US 9494420 B2, 2024-06-13.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 131, 1527-1549.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2022, 1028, (4), 9563-9583.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl-5-(4-hydroxyphenyl)imidazolidine-2,4-dione Using HRMS and NMR". J. Chromatogr. A, 2025, 1878, (1), 2377-2380.