发明人冯建国,韩伟,黄志刚. "Method for the Synthesis of 3-Methyl-2-oxopyrrolidine-3-carbohydrazide" [P]. 中国发明专利, 专利号 CN 111135975 A, 授权公告日 2019-09-06.
发明人冯建国,孙丽萍,胡光. "A Process for Preparing High-Purity 3-Methyl-2-oxopyrrolidine-3-carbohydrazide" [P]. 中国发明专利, 专利号 CN 115645108 A, 授权公告日 2015-06-11.
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". J. Chromatogr. A, 2013, 2448, 166-171.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2016, 1959, (12), 8393-8410.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-2-oxopyrrolidine-3-carbohydrazide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2025, 249, 20-49.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2013, 987, 4941-4963.