发明人沈红梅,高志强,杨光. "Method for the Synthesis of 2-Hydroxy-4-(4-((3-methyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)benzamido)benzoic acid" [P]. 中国发明专利, 专利号 CN 111192262 A, 授权公告日 2019-12-03.
发明人陈志强,赵玉洁,王建平. "A Process for Preparing High-Purity 2-Hydroxy-4-(4-((3-methyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)benzamido)benzoic acid" [P]. 中国发明专利, 专利号 CN 117754198 A, 授权公告日 2017-10-05.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2017, 254, 9080-9105.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2018, 1897, (11), 2183-2209.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Hydroxy-4-(4-((3-methyl-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)benzamido)benzoic acid Using HRMS and NMR". Talanta, 2020, 1730, (2), 3504-3518.