Brown S R, Chen K W, Park J H. "一种的合成方法" [P]. US Patent, US 10050675 B2, 2016-07-13.
发明人朱建伟,赵玉洁,沈红梅. "Method for the Synthesis of N-(3-Methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)pentanamide" [P]. 中国发明专利, 专利号 CN 110309275 A, 授权公告日 2017-04-28.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2015, 2087, (7), 4252-4278.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2015, 1604, (9), 3857-3864.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of N-(3-Methyl-1-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[d]pyrimidin-2-yl)-1H-pyrazol-5-yl)pentanamide Using HRMS and NMR". Chemosphere, 2015, 1142, (11), 5871-5878.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2012, 896, (3), 7543-7551.