Einecs 287-360-4

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

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