Synonyms: Green S; Acid Leather Green S; Food Green S; Acid Brilliant Green BS; Calocid Green S;sodium; Green 5;Acid green 50; Wool Green S;4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa- 2,5-dien-1-ylidene)methyl]-3-hydroxynaphthalene-2,7-disulfonate; Lissamine Green B;