2-Naphthalenecarbonyl chloride, 5-(((3-(fluorosulfonyl)phenyl)sulfonyl)amino)-1-hydroxy- 5-(((3-(Fluorosulphonyl)phenyl)sulphonyl)amino)-1-hydroxynaphthalene-2-carbonyl chloride 5-(3-Fluorosulfonylbenzenesulfonamido)-1-hydroxy-2-naphthoyl chloride 71173-79-0 EINECS 275-251-4