发明人黄志刚,韩伟,周伟. "Method for the Synthesis of 6-Cyclopropyl-1-(4-methoxyphenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carbohydrazide" [P]. 中国发明专利, 专利号 CN 113663615 A, 授权公告日 2016-06-22.
发明人黄志刚,周伟,罗永刚. "A Process for Preparing High-Purity 6-Cyclopropyl-1-(4-methoxyphenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carbohydrazide" [P]. 中国发明专利, 专利号 CN 117899187 B, 授权公告日 2025-05-15.
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". Talanta, 2014, 816, (11), 8174-8179.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2025, 1122, (10), 6409-6436.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 6-Cyclopropyl-1-(4-methoxyphenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carbohydrazide Using HRMS and NMR". J. Agric. Food Chem., 2015, 839, 6986-7008.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2015, 1280, (10), 6440-6467.