2-Naphthalenesulfonyl chloride, 5-(acetylamino)-1-(acetyloxy)- 5-(Acetylamino)-1-(acetyloxy)naphthalene-2-sulphonyl chloride 5-Acetamido-1-acetoxynaphthalene-2-sulfonyl chloride 58596-09-1 EINECS 261-355-7