sodium 4-ethyl-benzenesulfonate, Sodium p-ethylbenzenesulphonate, 4-ethyl-benzenesulfonic acid,sodium salt, Sodium p-ethylbenzenesulfonate, 4-Aethyl-benzolsulfonsaeure,Natriumsalz, SodiuM 4-Ethylbenzenesulfonate, 4-Ethylbenzenesulfonic Acid Sodium Salt, p-Ethylbenzenesulfonic acid,sodium salt, ethylbenzene-4-sulphonic acid sodium salt