Chen K W, Fischer A B, Stevens L M. "Method for the Synthesis of 4-(1-Oxido-3,5-dioxothiomorpholino)benzoic acid" [P]. US Patent, US 11915121 B2, 2025-06-21.
Thompson G K, Johnson M A, Yamamoto T. "A Process for Preparing High-Purity 4-(1-Oxido-3,5-dioxothiomorpholino)benzoic acid" [P]. US Patent, US 10557007 B2, 2018-05-24.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 1444, (4), 1428-1443.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 741, (6), 4496-4513.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 4-(1-Oxido-3,5-dioxothiomorpholino)benzoic acid Using HRMS and NMR". Biomed. Chromatogr., 2023, 2196, (6), 8191-8215.