Synonyms: Alizarine CyanineGreen; o-Toluenesulfonic acid,5,5'-(1,4-anthraquinonylenediimino)di-, disodium salt (8CI);Benzenesulfonic acid,3,3'-[(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis[6-methyl-, sodiumsalt (1:2); C.I. 61575;Benzenesulfonicacid, 3,3'-[(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis[6-methyl-,disodium salt (9CI); Alizarine Direct Green G;