5-(iodoacetylaminoethyl)amino-naphthalene-1-sulphonic acid, 5-[2-(2-iodoacetamido)ethylamino]-1-naphthalenesulfonic acid, 1,5-l-AEDANS, (N-(2-iodoacetamino)ethyl)-1-naphtylamine-5-sulfonic acid, 5-[2-[(2-iodoacetyl)amino]ethylamino]naphthalene-1-sulfonic acid, 5-((((2-iodoacetyl)amino)ethyl)amino)-naphthalene-1-sulfonic acid, N-(Iodoacetylaminoethyl)-5-naphthylamine-1-sulfonic acid, N-(iodoacetaminoethyl)-1-naphthylamine-5-sulfonic acid, IAEDANS, N-iodoacetyl-N'-(5-sulfo-1-naphthyl)ethyl-enediamine, Hudson-Weber-Reagent, 1,5-IAEDANS [N-(Iodoacetaminoethyl)-1-naphthylamine-5-sulfonic acid], 1,5-I-Aedans