Synonyms:
2-[(2,7-dihydro-3-methyl-2,7-dioxo-3h-dibenz[f,ij]isoquinolin-6-yl)amino]-5-methylbenzenesulfonic acid sodium salt ; alizarin rubinol r ; 2-[(2,7-dihydro-3-methyl-2,7-dioxo-3h-dibenz[f,ij]isoquinolin-6-yl)amino]-5-methyl-benzenesulfonicacimonosodiumsalt ; sodium 4-[(2,7-dihydro-3-methyl-2,7-dioxo-3h-dibenz[f,ij]isoquinolin-6-yl)amino]toluene-3-sulphonate ; benzenesulfonicacid,2-[(2,7-dihydro-3-methyl-2,7-dioxo-3h-dibenz[f,ij]isoquin ; c.i.68215 ; red 5b ; benzenesulfonic acid, 2-[(2,7-dihydro-3-methyl- 2,7-dioxo-3h-dibenz[f,ij]isoquinolin-6-yl)amino]-5 -methyl-, monosodium salt