sodium 1-amino-9,10-dihydro-9,10-dioxo-4-[(2,2,4-trimethylcyclohexyl)amino]anthracene-2-sulphonate

1-Amino-9,10-dihydro-9,10-dioxo-4-[(2,2,4-trimethylcyclohexyl)amino]-2-anthracenesulfonic acid sodium salt