Einecs 279-958-9

o-tolyl p-[(1-amino-9,10-dihydro-4-hydroxy-9,10-dioxo-2-anthryl)oxy]benzenesulphonate

4-[(1-Amino-9,10-dihydro-4-hydroxy-9,10-dioxoanthracen)-2-yloxy]benzenesulfonic acid 2-methylphenyl ester