6408-63-5 AIDS-030222 AIDS030222 Alizarin violet 3R Anthraquinone Violet Benzenesulfonic acid, 2,2'-[(9,10-dihydro-9,10-dioxo-1,5-anthracenediyl)bis(imino)]bis[5-methyl-, disodium salt C.I. 61710 C.I. Acid Violet 34 NSC297168