发明人冯建国,周伟,马晓峰. "Method for the Synthesis of 1-(2-Methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108219803 B, 授权公告日 2020-03-21.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2012, 2332, 6310-6324.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 2161, 2172-2190.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)-1H-pyrazole-3-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2020, 1813, (7), 5096-5120.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2013, 2474, 6627-6630.