Anderson J P, Chen K W, Brown S R. "一种N/A的合成方法" [P]. US Patent, US 10110057 B2, 2020-04-16.
发明人杨光,王建平,郑宇鹏. "Method for the Synthesis of Lithium maleate" [P]. 中国发明专利, 专利号 CN 116921806 A, 授权公告日 2015-12-17.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Chromatographia, 2016, 1251, 5600-5621.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". J. Agric. Food Chem., 2025, 1476, (1), 1285-1310.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Lithium maleate Using HRMS and NMR". Chemosphere, 2017, 1512, 225-236.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2010, 1239, (7), 4162-4188.