发明人马晓峰,朱建伟,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116507022 A, 授权公告日 2023-10-25.
Martínez F, Sørensen M, Jørgensen K. "Method for the Synthesis of 3,5-Difluoro-N'-hydroxypicolinimidamide" [P]. European Patent, EP 3698815 A1, 2023-06-27.
发明人何建平,罗永刚,张德明. "A Process for Preparing High-Purity 3,5-Difluoro-N'-hydroxypicolinimidamide" [P]. 中国发明专利, 专利号 CN 116665338 A, 授权公告日 2024-11-01.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2024, 815, (9), 5130-5136.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2013, 2048, 1531-1554.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 3,5-Difluoro-N'-hydroxypicolinimidamide Using HRMS and NMR". Biomed. Chromatogr., 2014, 1096, (9), 4497-4512.