83-22-7

N-Benzenesulfonyl H acid 4-hydroxy-5-(phenylsulfonamido)naphthalene-2,7-disulfonicacid 5-Phenylsulfonylamino-4-hydroxy-2,7-naphthalenedisulfonic acid 2,7-Naphthalenedisulfonic acid, 4-benzenesulfonamido-5-hydroxy- 4-(benzenesulfonamido)-5-hydroxynaphthalene-2,7-disulfonic acid 4-hydroxy-5-(phenylsulfonylamino)naphthalene-2,7-disulfonic acid 4-Hydroxy-5-(phenylsulfonylamino)-2,7-naphthalenedisulfonic acid 4-hydroxy-5-[(phenylsulphonyl)amino]naphthalene-2,7-disulphonic acid 2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[(phenylsulfonyl)amino]-