Synonyms:
7-amino-4-hydroxy-3-[[4-[2-(sulphooxy)ethoxy]phenyl]azo]naphthalene-2-sulphonic acid ; 7-amino-4-hydroxy-3-[[4-[2-(sulfooxy)ethoxy]phenyl]azo]naphthalene-2-sulfonic acid ; 7-amino-4-hydroxy-3-[[4-(2-sulfooxyethoxy)phenyl]azo]-2-naphthalenesulfonic acid