171667-23-5 17614-69-6 7216-63-9 76274-62-9 Benzenesulfonic acid, 4-isothiocyanato-, sodium salt Benzenesulfonic acid, p-isothiocyanato-, sodium salt EINECS 241-589-6 NSC 523872 Sodium 4-isothiocyanatobenzenesulfonate Sodium p-isothiocyanatobenzenesulphonate monohydrate