Synonyms: 1-Benzopyrylium,3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-, chloride (9CI); 3,3',4',5',7-Pentahydroxyflavyliumchloride (7CI); Flavylium, 3,3',4',5',7-pentahydroxy-, chloride (8CI);Robinetinidin chloride (6CI); Robinetinidin; Robinetinidol chloride