Yamamoto T, Williams B T, Mueller T. "一种的合成方法" [P]. US Patent, US 9767557 B2, 2019-07-15.
Kowalski A, Björnsson E, Schröder R. "Method for the Synthesis of 3-Iodo-5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-b]pyrazine" [P]. European Patent, EP 3607619 A1, 2021-05-22.
Nowak P, Jørgensen K, Rossi M. "A Process for Preparing High-Purity 3-Iodo-5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-b]pyrazine" [P]. European Patent, EP 3173625 A1, 2016-09-08.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2025, 1635, 5186-5209.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 2381, (9), 8174-8181.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-Iodo-5-methyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-b]pyrazine Using HRMS and NMR". Environ. Sci. Technol., 2025, 1657, (11), 1585-1611.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2014, 1001, (10), 8662-8683.