. "n-Heptanal" . "Heptanal" . "oenanth aldehyde" . "Heptanaldehyde" . "Heptanal" . "Heptyl aldehyde" . "heptaldehyde" . . . "heptanal" . "Aldehyde C-7" . "Enanthaldehyde" . . . . . . "Heptanal" . .