Synonyms: 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-1-benzopyrylium chloride;3,3',4',5,7-Pentahydroxy-2-phenylbenzopyrylium chloride;3,3',4',5,7-Pentahydroxyflavylium chloride;Cyanidol chloride;IdB 1027;1-Benzopyrylium,2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-, chloride (9CI);Cyanidol (6CI);Flavylium, 3,3',4',5,7-pentahydroxy-, chloride (8CI);1-Benzopyrylium,2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-, chloride (1:1);