Kumar R, Park J H, Anderson J P. "一种的合成方法" [P]. US Patent, US 10726529 B2, 2024-06-08.
Schröder R, Johnson M A, Yamamoto T. "Method for the Synthesis of 4,6-Diaminopyrimidine-2-sulfinic acid" [P]. US Patent, US 11129226 B2, 2017-08-24.
发明人徐明华,唐晓军,马晓峰. "A Process for Preparing High-Purity 4,6-Diaminopyrimidine-2-sulfinic acid" [P]. 中国发明专利, 专利号 CN 117456865 B, 授权公告日 2024-04-08.
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". J. Sep. Sci., 2011, 815, (8), 8504-8529.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2016, 1403, (8), 2581-2590.