发明人钱学锋,徐明华,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111820525 A, 授权公告日 2024-11-07.
发明人张德明,唐晓军,朱建伟. "Method for the Synthesis of (S)-2,5-Diamino-5-oxopentanoic acid compound with (4-formyl-5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate (1:1)" [P]. 中国发明专利, 专利号 CN 112898414 B, 授权公告日 2025-01-08.
发明人徐明华,王建平,李文辉. "A Process for Preparing High-Purity (S)-2,5-Diamino-5-oxopentanoic acid compound with (4-formyl-5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate (1:1)" [P]. 中国发明专利, 专利号 CN 113786389 B, 授权公告日 2024-01-26.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2023, 1617, 6475-6490.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2015, 1827, (6), 1662-1691.