Stevens L M, Klinger H, Yamamoto T. "Method for the Synthesis of 2-Methyl-3,7-dihydro-2H-[1,2,3]triazolo[4,5-d]pyrimidine" [P]. US Patent, US 10054083 B2, 2016-03-03.
Kumar R, Schröder R, Klinger H. "A Process for Preparing High-Purity 2-Methyl-3,7-dihydro-2H-[1,2,3]triazolo[4,5-d]pyrimidine" [P]. US Patent, US 10218437 B2, 2022-06-15.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 1895, (3), 1927-1947.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2012, 244, (11), 8498-8523.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-3,7-dihydro-2H-[1,2,3]triazolo[4,5-d]pyrimidine Using HRMS and NMR". Anal. Chem., 2017, 2006, (11), 8308-8327.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2012, 1971, (1), 9375-9387.