- disodium;4-[[4-hydroxy-9,10-dioxo-3-(4-sulfonatoanilino)anthracen-1-yl]amino]benzenesulfonate,90%, 1g
- disodium;4-[[4-hydroxy-9,10-dioxo-3-(4-sulfonatoanilino)anthracen-1-yl]amino]benzenesulfonate,90%, 5g