发明人孙丽萍,王建平,钱学锋. "Method for the Synthesis of 1-(3-Fluorophenyl)-6-mercapto-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 109937917 A, 授权公告日 2015-10-23.
发明人王建平,沈红梅,张德明. "A Process for Preparing High-Purity 1-(3-Fluorophenyl)-6-mercapto-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one" [P]. 中国发明专利, 专利号 CN 109430225 B, 授权公告日 2023-09-18.
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". J. Nat. Prod., 2010, 580, (10), 6538-6557.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2011, 591, 6130-6142.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Fluorophenyl)-6-mercapto-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one Using HRMS and NMR". Anal. Chim. Acta, 2016, 584, (12), 955-974.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2025, 2217, 6465-6477.