68399-94-0

1-Amino-4-[p-(2-hydroxyethylsulfonyl)anilino]-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid 2-Anthracenesulfonic acid, 1-amino-9,10-dihydro-4-[[4-[(2-hydroxyethyl)sulfonyl]phenyl]amino]-9,10-dioxo- 1-amino-9,10-dihydro-4-[[4-[(2-hydroxyethyl)sulphonyl]phenyl]amino]-9,10-dioxoanthracene-2-sulphonic acid