Synonyms:
2,2'-thiobis[5-[(4-hydroxyphenyl)azo]benzenesulphonic] acid, sodium salt ; 2,2'-thiobis[5-[(4-hydroxyphenyl)azo]-benzenesulfonic acid ; 2,2'-thiobis[5-[(4-hydroxyphenyl)azo]benzenesulphonic] acid, sodium salt ; 2,2'-thiobis[5-[(4-hydroxyphenyl)azo]benzenesulfonic] acid, sodium salt ; 2,2'-thiobis[5-(p-hydroxyphenylazo)benzenesulfonic acid] ; 2,2'-thiobis[5-[(4-hydroxyphenyl)azo]-benzenesulfonic acid ; benzenesulfonic acid,2,2'-thiobis[5-[(4-hydroxyphenyl)azo]-, sodium salt (9ci) ; 2,2'-thiobis[5-[(4-hydroxyphenyl)azo]benzenesulfonic acid]/sodium,(1:x) salt
