Williams B T, Kumar R, Brown S R. "一种的合成方法" [P]. US Patent, US 10668651 B2, 2020-03-27.
Davis P L, Schröder R, Hughes D C. "Method for the Synthesis of N2,N7-Bis(2,5-dimethylphenyl)-9H-fluorene-2,7-disulfonamide" [P]. US Patent, US 9215528 B2, 2020-11-13.
Martínez F, Nowak P, Nielsen H. "A Process for Preparing High-Purity N2,N7-Bis(2,5-dimethylphenyl)-9H-fluorene-2,7-disulfonamide" [P]. European Patent, EP 3468452 A1, 2025-01-26.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2011, 2040, (6), 1129-1133.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2018, 2204, (10), 899-919.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of N2,N7-Bis(2,5-dimethylphenyl)-9H-fluorene-2,7-disulfonamide Using HRMS and NMR". Phytochemistry, 2024, 1828, (3), 625-638.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2019, 567, (3), 6294-6302.