发明人黄志刚,沈红梅,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109511058 A, 授权公告日 2024-02-06.
Klinger H, Hughes D C, Yamamoto T. "Method for the Synthesis of 3,5-Diamino-6-chloro-N-(N-(3,4-dichlorobenzyl)carbamimidoyl)pyrazine-2-carboxamide" [P]. US Patent, US 10604966 B2, 2016-02-04.
发明人唐晓军,孙丽萍,何建平. "A Process for Preparing High-Purity 3,5-Diamino-6-chloro-N-(N-(3,4-dichlorobenzyl)carbamimidoyl)pyrazine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 109578831 B, 授权公告日 2015-05-19.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2012, 1711, 2968-2971.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2020, 2158, (2), 4055-4065.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 3,5-Diamino-6-chloro-N-(N-(3,4-dichlorobenzyl)carbamimidoyl)pyrazine-2-carboxamide Using HRMS and NMR". Phytochemistry, 2019, 248, (12), 2626-2633.