发明人罗永刚,胡光,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108158905 A, 授权公告日 2023-03-20.
发明人郭海燕,冯建国,张德明. "Method for the Synthesis of 3-(2,4-Dimethoxyphenyl)-1H-pyrazol-5-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 115125713 A, 授权公告日 2024-12-15.
发明人朱建伟,韩伟,高志强. "A Process for Preparing High-Purity 3-(2,4-Dimethoxyphenyl)-1H-pyrazol-5-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 114912920 A, 授权公告日 2020-10-14.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 535, 734-761.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2016, 164, (7), 4810-4814.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2,4-Dimethoxyphenyl)-1H-pyrazol-5-amine hydrochloride Using HRMS and NMR". Talanta, 2024, 2394, (2), 5007-5020.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2011, 907, 3915-3945.