发明人徐明华,李文辉,杨光. "Method for the Synthesis of 6,7-Dimethylpterin" [P]. 中国发明专利, 专利号 CN 117600672 B, 授权公告日 2016-12-04.
Nowak P, Björnsson E, Sørensen M. "A Process for Preparing High-Purity 6,7-Dimethylpterin" [P]. European Patent, EP 3922364 A1, 2022-08-06.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2024, 91, (11), 8923-8941.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2023, 2028, (3), 3072-3098.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 6,7-Dimethylpterin Using HRMS and NMR". Environ. Sci. Technol., 2011, 1694, 3321-3346.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2024, 1117, (7), 1666-1683.