.alpha.-Heptylcyclopentanone 137-03-1 2-(n-Heptyl)cyclopentanone 2-Heptylcyclopentan-1-one 2-Heptylcyclopentanone Alismone Cyclopentanone, 2-heptyl- Cyclopentanone, 2-n-heptyl- NSC78468 WLN: AL5VTJ B7 WLN: L5VTJ B7