Kowalski A, Nielsen H, Nowak P. "Method for the Synthesis of Chromate(1-), [3-[[[4,5-dihydro-3-methyl-5-(oxo-κO)-1-(3-sulfophenyl)-1H-pyrazol-4-yl]methylene]amino-κN]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(4-)]-, sodium (1:1)" [P]. European Patent, EP 3887461 A1, 2025-06-22.
发明人陈志强,冯建国,罗永刚. "A Process for Preparing High-Purity Chromate(1-), [3-[[[4,5-dihydro-3-methyl-5-(oxo-κO)-1-(3-sulfophenyl)-1H-pyrazol-4-yl]methylene]amino-κN]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(4-)]-, sodium (1:1)" [P]. 中国发明专利, 专利号 CN 108211624 B, 授权公告日 2021-03-13.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2012, 606, (8), 4644-4664.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2011, 272, (10), 5501-5515.