2-Naphthalenesulfonic acid, 5-((1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl)azo)-8-((6-sulfo-4-((3-sulfophenyl)azo)-1-naphthalenyl)azo)-, sodium salt 7-(Phenylamino)-3-((4-((4-((3-sulfophenyl)azo)-6-sulfo-1-naphthalenyl)azo)-6-sulfo-1-naphthalenyl)azo)-4-hydroxy-2-naphthalenesulfonic acid, sodium salt 72245-54-6