Anderson J P, Schröder R, Fischer A B. "一种的合成方法" [P]. US Patent, US 11514295 B2, 2019-02-09.
发明人杨光,马晓峰,韩伟. "Method for the Synthesis of 6-(Methylthio)-1H-pyrazolo[3,4-d]pyrimidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108961322 A, 授权公告日 2018-05-18.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2025, 1540, 7440-7463.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2016, 1182, 1949-1957.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Methylthio)-1H-pyrazolo[3,4-d]pyrimidine-3-carboxylic acid Using HRMS and NMR". Anal. Methods, 2023, 938, 5189-5208.