发明人高志强,黄志刚,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117321919 A, 授权公告日 2023-03-15.
Lee S K, Thompson G K, Johnson M A. "Method for the Synthesis of 4-(2-Phenylhydrazono)-4H-pyrazole-3,5-diamine" [P]. US Patent, US 10027440 B2, 2016-02-04.
发明人马晓峰,郑宇鹏,韩伟. "A Process for Preparing High-Purity 4-(2-Phenylhydrazono)-4H-pyrazole-3,5-diamine" [P]. 中国发明专利, 专利号 CN 109309987 B, 授权公告日 2023-09-18.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 991, 6074-6083.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2020, 833, 1835-1843.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-Phenylhydrazono)-4H-pyrazole-3,5-diamine Using HRMS and NMR". Phytochemistry, 2011, 1297, 9971-9991.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2025, 1804, (6), 6554-6568.