4-11-00-00056 (Beilstein Handbook Reference) 83191-20-2 Acetic acid, ester with N-(1-hydroxy-2,2,2-trichloroethyl)benzenesulfonamide BRN 3429626 Benzenesulfonamide, N-(1-(acetyloxy)-2,2,2-trichloroethyl)- N-(1-Acetoxy-2,2,2-trichloroethyl)benzenesulfonamide