91308-61-1 Benzenesulfonamide, N-(4-chloro-2-(trifluoromethyl)phenyl)-4-fluoro- N-(4-Chloro-2-(trifluoromethyl)phenyl)-4-fluorobenzenesulfonamide o-Benzenesulfonotoluidide, 4'-chloro-alpha,alpha,alpha,4-tetrafluoro-