Nowak P, Johansson L, Rossi M. "一种的合成方法" [P]. European Patent, EP 3704655 A1, 2017-08-02.
Patel M V, Stevens L M, Anderson J P. "Method for the Synthesis of 2-Methyl-9H-purine" [P]. US Patent, US 9418073 B2, 2018-10-06.
发明人沈红梅,马晓峰,唐晓军. "A Process for Preparing High-Purity 2-Methyl-9H-purine" [P]. 中国发明专利, 专利号 CN 117876886 B, 授权公告日 2025-08-08.
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". Environ. Sci. Technol., 2018, 1763, (2), 5158-5188.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 1121, (11), 7523-7546.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-9H-purine Using HRMS and NMR". Talanta, 2022, 965, 5338-5366.