5401-14-9 Diphenoxyphosphinyl isothiocyanate Diphenyl (isothiocyanato)phosphate Diphenyl phosphoroisothiocyanatidate EINECS 226-447-3 NSC 4756 Phosphor(isothiocyanatidic) acid, diphenyl ester Phosphoroisothiocyanatidic acid, diphenyl ester