发明人徐明华,冯建国,黄志刚. "Method for the Synthesis of 6-Chloro-3-iodo-5-methyl-1H-pyrazolo[3,4-b]pyrazine" [P]. 中国发明专利, 专利号 CN 109978459 B, 授权公告日 2025-08-18.
Stevens L M, Fischer A B, Johnson M A. "A Process for Preparing High-Purity 6-Chloro-3-iodo-5-methyl-1H-pyrazolo[3,4-b]pyrazine" [P]. US Patent, US 9664263 B2, 2021-09-17.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2023, 1545, 4548-4566.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2021, 102, (3), 2492-2495.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-3-iodo-5-methyl-1H-pyrazolo[3,4-b]pyrazine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2015, 1107, 9044-9068.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2019, 2446, (11), 6701-6712.