Synonyms: Benzenesulfonic acid, 2(or 5)-((1-benzoyl-2,7-dihydro-2,7-dioxo-6-((sulfophenyl)amino)-3H-naphtho(1,2,3-de)quinolin-4-yl)oxy)-5(or 2)-(1,1-dimethylpropyl)-, sodium salt (1:2);Benzenesulfonic acid, 2(or 5)-((1-benzoyl-2,7-dihydro-2,7-dioxo-6-((sulfophenyl)amino)-3H-dibenz(f,ij)isoquinolin-4-yl)oxy)-5(or 2)-(1,1-dimethylpropyl)-, disodium salt;Benzenesulfonic acid, 2(or 5)-((1-benzoyl-2,7-dihydro-2,7-dioxo-6-((sulfophenyl)amino)-3H-naphtho(1,2,3-de)quinolin-4-yl)oxy)-5(or 2)-(1,1-dimethylpropyl)-, disodium salt;Disodium 2(or 5)-((1-benzoyl-2,7-dihydro-2,7-dioxo-6-((sulphonatophenyl)amino)-3H-dibenz(f,ij)isoquinolin-4-yl)oxy)-5(or 2)-(tert-pentyl)benzenesulphonate