1-Amino-4-[p-[(2-sulfooxyethyl)sulfonyl]anilino]-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid disodium salt

1-Amino-4-[4-[2-(sodiosulfooxy)ethylsulfonyl]anilino]-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid sodium salt

1-Amino-9,10-dioxo-4-[4-[2-(sodiosulfooxy)ethylsulfonyl]anilino]-9,10-dihydroanthracene-2-sulfonic acid sodium salt

disodium 1-amino-9,10-dihydro-9,10-dioxo-4-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]amino]anthracene-2-sulphonate

2-Anthracenesulfonic acid,1-amino-9,10-dihydro-9,10-dioxo-4-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-,disodium salt

2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-9,10-dioxo-4-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]amino]-, disodium salt