1-Amino-9,10-dihydro-9,10-dioxo-4-p-toluenesulphonamidoanthracene-2-sulphonic acid 128-98-3 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-(((4-methylphenyl)sulfonyl)amino)-9,10-dioxo- 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-9,10-dioxo-4-p-toluenesulfonamido- EINECS 204-925-2