22729-74-4 BRN 3067170 ENT 27,254 Methanesulfonamide, N-(p-chlorophenyl)-N-((1,1,2,2-tetrachloro-2-fluoroethyl)thio)- N-(4-Chlorophenyl)-N-((1,1,2,2-tetrachloro-2-fluoroethyl)thio)methanesulfonamide R-10043 Stauffer R-10043