发明人刘建华,高志强,朱建伟. "一种色甘酸钠杂质1的合成方法" [P]. 中国发明专利, 专利号 CN 110816064 A, 授权公告日 2022-08-24.
发明人王建平,赵玉洁,何建平. "Method for the Synthesis of Cromoglicate EP Impurity B" [P]. 中国发明专利, 专利号 CN 113726159 B, 授权公告日 2016-10-04.
发明人周伟,钱学锋,冯建国. "A Process for Preparing High-Purity Cromoglicate EP Impurity B" [P]. 中国发明专利, 专利号 CN 114309004 B, 授权公告日 2021-11-08.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 色甘酸钠杂质1 in Pharmaceutical Formulations". J. Agric. Food Chem., 2022, 771, 3795-3821.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 色甘酸钠杂质1 as an Impurity". Anal. Chem., 2014, 465, (5), 498-505.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Cromoglicate EP Impurity B Using HRMS and NMR". J. Chromatogr. A, 2010, 1378, (8), 1463-1480.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate 色甘酸钠杂质1 Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 1438, 7457-7477.