发明人朱建伟,马晓峰,唐晓军. "Method for the Synthesis of 4-Hydroxy-1-methyl-3-(5-oxo-2,5-dihydro-1H-pyrazol-3-yl)-2(1H)-quinolinone" [P]. 中国发明专利, 专利号 CN 109125703 B, 授权公告日 2023-11-06.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2010, 1963, (6), 2422-2451.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2019, 1983, (8), 1582-1588.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy-1-methyl-3-(5-oxo-2,5-dihydro-1H-pyrazol-3-yl)-2(1H)-quinolinone Using HRMS and NMR". Biomed. Chromatogr., 2022, 1018, 7006-7028.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2010, 1276, 9390-9396.