Yamamoto T, O'Brien P Q, Klinger H. "一种的合成方法" [P]. US Patent, US 11007624 B2, 2025-06-16.
发明人徐明华,郑宇鹏,郭海燕. "Method for the Synthesis of Hydralazine Impurity 5" [P]. 中国发明专利, 专利号 CN 117638615 A, 授权公告日 2016-08-17.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2019, 1927, 7366-7378.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2010, 237, 4601-4607.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Hydralazine Impurity 5 Using HRMS and NMR". Molecules, 2011, 586, (9), 3929-3948.