Synonyms: 2H-Pyran-2-acetaldehyde,tetrahydro-5-(6-hydroxy-4-methyl-4-hexenylidene)-a-(4-methyl-3-pentenyl)-, [R-[R*,S*-(Z,E)]]-;2H-Pyran-2-acetaldehyde, tetrahydro-5-[(4E)-6-hydroxy-4-methyl-4-hexenylidene]-a-(4-methyl-3-pentenyl)-, (aS,2R,5Z)- (9CI); Vittadinal