Synonyms: | [D2,2'(1H,1'H)-Binaphthalene]-1,1'-dione,8,8'-dihydroxy-4,4'-dimethoxy-6,6'-dimethyl- (8CI);4,4'-Dimethoxy-6,6'-dimethyl-8,8'-dihydroxy-2,2'-binaphtho-1,1'-quinone;8,8'-Dihydroxy-4,4'-dimethoxy-6,6'-dimethyl-2,2'-binaphthyl-1,1'-quinone;8,8'-Dihydroxy-4,4'-dimethoxy-6,6'-dimethyl-2,2'-bisnaphthyl-1,1'-quinone;Diosindigo; Diosindigo A |