发明人周伟,赵玉洁,何建平. "Method for the Synthesis of N,N,1-Trimethyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine" [P]. 中国发明专利, 专利号 CN 117052841 B, 授权公告日 2023-10-07.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2010, 580, (1), 9737-9765.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2024, 2362, (9), 1212-1231.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of N,N,1-Trimethyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine Using HRMS and NMR". Anal. Chim. Acta, 2024, 2454, 9176-9182.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2010, 912, (4), 6993-7020.