6-amino-5-[[2-[(decylamino)sulfonyl]phenyl]azo]-4-h 2-Naphthalenesulfonic acid

6-amino-5-[[2-[(decylamino)sulfonyl]phenyl] azo]-4-hydroxy-2-Naphthalenesulfonic

6-Amino-5-[[2-[(decylamino)sulfonyl]phenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid

6-amino-5-[[2-[(decylamino)sulphonyl]phenyl]azo]-4-hydroxynaphthalene-2-sulphonic acid