4-acetamido-5-[[4-[[2-(sulphooxy)ethyl]sulphonyl]phenyl]azo]anthranilic acid, sodium salt

Benzenesulfonic acid, 4-(acetylamino)-2-amino-5-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, sodium salt

4-(Acetylamino)-2-amino-5-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]benzenesulfonic acid/sodium,(1:x) salt