发明人郭海燕,周伟,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116089003 A, 授权公告日 2025-06-10.
发明人郭海燕,何建平,杨光. "Method for the Synthesis of 2-Amino-4H-benzo[4,5]imidazo[1,2-b]pyrazole-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 114486299 A, 授权公告日 2019-09-23.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2014, 192, 5490-5501.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2016, 652, 4197-4206.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-4H-benzo[4,5]imidazo[1,2-b]pyrazole-3-carbonitrile Using HRMS and NMR". Biomed. Chromatogr., 2010, 475, 6325-6353.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2024, 881, (4), 4908-4922.