发明人胡光,周伟,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108630055 A, 授权公告日 2022-10-26.
Brown S R, Johnson M A, Chen K W. "Method for the Synthesis of 4-(3-Hydroxybutyl)-1-(4-hydroxyphenyl)-2-phenylpyrazolidine-3,5-dione" [P]. US Patent, US 11587207 B2, 2016-11-07.
Yamamoto T, Mueller T, Davis P L. "A Process for Preparing High-Purity 4-(3-Hydroxybutyl)-1-(4-hydroxyphenyl)-2-phenylpyrazolidine-3,5-dione" [P]. US Patent, US 10367074 B2, 2024-07-18.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2024, 1351, (11), 592-603.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2022, 1877, (9), 1318-1328.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4-(3-Hydroxybutyl)-1-(4-hydroxyphenyl)-2-phenylpyrazolidine-3,5-dione Using HRMS and NMR". Anal. Chim. Acta, 2010, 2461, (1), 7812-7837.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2016, 544, 232-237.