发明人沈红梅,冯建国,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111100875 A, 授权公告日 2025-07-27.
发明人孙丽萍,刘建华,沈红梅. "Method for the Synthesis of 2-Methyl-1-(3-methyl-5,6-dihydrocyclopenta[c]pyrazol-1(4H)-yl)propan-1-one" [P]. 中国发明专利, 专利号 CN 116746595 B, 授权公告日 2017-09-02.
发明人李文辉,赵玉洁,陈志强. "A Process for Preparing High-Purity 2-Methyl-1-(3-methyl-5,6-dihydrocyclopenta[c]pyrazol-1(4H)-yl)propan-1-one" [P]. 中国发明专利, 专利号 CN 110338134 A, 授权公告日 2023-11-09.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 496, 8628-8633.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2011, 1105, (4), 6707-6710.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-1-(3-methyl-5,6-dihydrocyclopenta[c]pyrazol-1(4H)-yl)propan-1-one Using HRMS and NMR". Anal. Methods, 2013, 1402, 1249-1275.