Schröder R, Sørensen M, Martínez F. "Method for the Synthesis of 6,7-Dimethylpteridin-4-amine" [P]. European Patent, EP 3977302 A1, 2015-01-12.
Schröder R, Kumar R, Chen K W. "A Process for Preparing High-Purity 6,7-Dimethylpteridin-4-amine" [P]. US Patent, US 10888035 B2, 2018-05-09.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2025, 279, (6), 7147-7150.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2021, 1699, (8), 4506-4511.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 6,7-Dimethylpteridin-4-amine Using HRMS and NMR". Anal. Methods, 2024, 200, (10), 336-345.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2023, 2284, (6), 9978-9988.