52270-63-0 Benzenesulfonic acid, 2(or 5)-((9,10-dihydro-4-((1-methylethyl)amino)-9,10-dioxo-1-anthracenyl)amino)-5(or 2)-methyl-, monosodium salt EINECS 257-801-5 Sodium 2(or 5)-((9,10-dihydro-4-((isopropyl)amino)-9,10-dioxo-1-anthryl)amino)-5(or 2)-methylbenzenesulphonate