71195-66-9 Benzenesulfonic acid, 2-((9,10-dihydro-4-((4-methylphenyl)amino)-9,10-dioxo-1-anthracenyl)amino)-5-methyl-, monosodium salt EINECS 275-258-2 Sodium 4-((9,10-dihydro-9,10-dioxo-4-(p-tolylamino)-1-anthryl)amino)toluene-3-sulphonate