发明人胡光,冯建国,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117529464 A, 授权公告日 2018-10-24.
发明人胡光,周伟,赵玉洁. "Method for the Synthesis of 3,4-Dihydroxy-1-methyl-1H-pyrrol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 115339282 A, 授权公告日 2021-10-11.
发明人沈红梅,徐明华,郭海燕. "A Process for Preparing High-Purity 3,4-Dihydroxy-1-methyl-1H-pyrrol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 110702330 A, 授权公告日 2023-11-19.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2016, 1133, (3), 7511-7541.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2020, 535, (3), 6546-6573.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-Dihydroxy-1-methyl-1H-pyrrol-2(5H)-one Using HRMS and NMR". Biomed. Chromatogr., 2016, 408, 7815-7835.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2021, 1406, (10), 3791-3805.