发明人陈志强,张德明,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111307061 A, 授权公告日 2017-02-25.
发明人沈红梅,马晓峰,陈志强. "Method for the Synthesis of 7-Hydroxy-5-methyl-3-phenylpyrazolo[1,5-a]pyrimidin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 108081852 B, 授权公告日 2021-08-14.
Patel M V, Davis P L, Fischer A B. "A Process for Preparing High-Purity 7-Hydroxy-5-methyl-3-phenylpyrazolo[1,5-a]pyrimidin-2(1H)-one" [P]. US Patent, US 9470969 B2, 2024-07-25.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2023, 738, (12), 665-694.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 1599, (12), 6271-6292.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 7-Hydroxy-5-methyl-3-phenylpyrazolo[1,5-a]pyrimidin-2(1H)-one Using HRMS and NMR". Anal. Methods, 2023, 1524, 9177-9199.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2018, 1410, (3), 5634-5663.