Björnsson E, Johansson L, Kowalski A. "一种N/A的合成方法" [P]. European Patent, EP 3760350 A1, 2016-08-16.
发明人刘建华,马晓峰,罗永刚. "Method for the Synthesis of Sodium 2-methylenesuccinate" [P]. 中国发明专利, 专利号 CN 111801475 A, 授权公告日 2022-07-28.
发明人郭海燕,沈红梅,郑宇鹏. "A Process for Preparing High-Purity Sodium 2-methylenesuccinate" [P]. 中国发明专利, 专利号 CN 108538205 B, 授权公告日 2025-07-14.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2015, 1800, (10), 5210-5230.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Anal. Methods, 2012, 2279, (3), 9949-9958.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Sodium 2-methylenesuccinate Using HRMS and NMR". J. Agric. Food Chem., 2014, 2238, (2), 7767-7794.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2022, 1256, (7), 5543-5566.