发明人赵玉洁,冯建国,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110397712 A, 授权公告日 2023-01-04.
发明人何建平,王建平,马晓峰. "Method for the Synthesis of 4,4'-((4,6-Dimethoxy-1,3-phenylenedisulfonyl)bis(azanediyl))dibenzoic acid" [P]. 中国发明专利, 专利号 CN 114068824 A, 授权公告日 2016-01-26.
发明人高志强,杨光,马晓峰. "A Process for Preparing High-Purity 4,4'-((4,6-Dimethoxy-1,3-phenylenedisulfonyl)bis(azanediyl))dibenzoic acid" [P]. 中国发明专利, 专利号 CN 115854557 B, 授权公告日 2021-08-10.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2018, 1648, (3), 102-112.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2014, 236, (4), 227-237.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4,4'-((4,6-Dimethoxy-1,3-phenylenedisulfonyl)bis(azanediyl))dibenzoic acid Using HRMS and NMR". J. Sep. Sci., 2014, 1764, 8754-8781.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2022, 1238, 8360-8383.