1174-83-0 AC-43913 AI3-27161 American cyanamid AC 43,913 American cyanamid CL-43913 American cyanamid E.I. 43,913 BRN 2193085 E.I. 43,913 ENT 27,161 O,O'-(Sulfonyldi-1,4-phenylene) O,O,O',O'-tetramethyl diphosphorothioate Phosphorothioic acid, O,O'-(sulfonyldi-1,4-phenylene) O,O,O',O'-tetramethyl ester Phosphorothioic acid, O,O'-(sulfonyldi-p-phenylene) O,O,O',O'-tetramethyl ester