发明人马晓峰,周伟,李文辉. "Method for the Synthesis of 1-(5-(2-Hydroxy-3-methoxyphenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-2-morpholinoethan-1-one" [P]. 中国发明专利, 专利号 CN 113023786 A, 授权公告日 2022-12-22.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2022, 2441, 6706-6721.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2012, 1824, (1), 5011-5018.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 1-(5-(2-Hydroxy-3-methoxyphenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-2-morpholinoethan-1-one Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 1330, 3366-3375.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2018, 286, (2), 9643-9652.