发明人马晓峰,钱学锋,刘建华. "Method for the Synthesis of 4,4-Diethyl-1-methylpyrazolidin-3-one" [P]. 中国发明专利, 专利号 CN 109839140 B, 授权公告日 2019-11-24.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2019, 327, (5), 9048-9068.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 1971, 1558-1579.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 4,4-Diethyl-1-methylpyrazolidin-3-one Using HRMS and NMR". Food Chem., 2012, 250, (11), 7306-7314.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2023, 723, 1902-1915.