72152-48-8 Benzenesulfonic acid, 2-((1-benzoyl-2,7-dihydro-4-methyl-2,7-dioxo-3H-dibenz(f,ij)isoquinolin-6-yl)amino)-5-methyl-, monosodium salt EINECS 276-402-7 Sodium 4-((1-benzoyl-2,7-dihydro-4-methyl-2,7-dioxo-3H-dibenz(f,ij)isoquinolin-6-yl)amino)toluene-3-sulphonate