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