2,7-Naphthalenedisulfonic acid, 4-benzenesulfonamido-5-hydroxy- 2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-((phenylsulfonyl)amino)- 4-Benzenesulfonamido-5-hydroxy-2,7-naphthalenedisulfonic acid 4-Hydroxy-5-((phenylsulphonyl)amino)naphthalene-2,7-disulphonic acid 8-Benzenesulfonamido-1-naphthol-3,6-disulfonic acid 8-Phenylsulfonamido-1-naphthol-3,6-disulfonic acid 83-22-7 EINECS 201-459-1 H Acid benzenesulfonamide Lissamine Red 7BP N-Benzenesulfonyl-H Acid