发明人黄志刚,朱建伟,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110577899 A, 授权公告日 2019-12-15.
发明人何建平,郑宇鹏,钱学锋. "Method for the Synthesis of 2-(4-Chlorophenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 109455654 B, 授权公告日 2023-02-28.
发明人朱建伟,郭海燕,周伟. "A Process for Preparing High-Purity 2-(4-Chlorophenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 113484785 A, 授权公告日 2018-05-11.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 692, 4996-5019.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2023, 1260, 6240-6243.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Chlorophenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one Using HRMS and NMR". Sci. Total Environ., 2011, 1393, (5), 7347-7369.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2021, 2168, (4), 7624-7651.