发明人孙丽萍,钱学锋,沈红梅. "Method for the Synthesis of [S-Methanethiosulfonylcysteaminyl]ethylenediamine-N,N,N,N-Tetraacetic Acid" [P]. 中国发明专利, 专利号 CN 112486153 B, 授权公告日 2019-06-19.
发明人朱建伟,刘建华,胡光. "A Process for Preparing High-Purity [S-Methanethiosulfonylcysteaminyl]ethylenediamine-N,N,N,N-Tetraacetic Acid" [P]. 中国发明专利, 专利号 CN 113505029 A, 授权公告日 2025-08-12.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2020, 132, (8), 8098-8117.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2010, 2395, (10), 381-392.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of [S-Methanethiosulfonylcysteaminyl]ethylenediamine-N,N,N,N-Tetraacetic Acid Using HRMS and NMR". Chromatographia, 2010, 1117, (2), 3932-3937.