5-Decanolide; 5-Hydroxydecanoic acid, delta-lactone; DELTA-DECALACTONA; delta-Decalactone~5-Hydroxydecanoic acid delta lactone; Decanolide-1,5; Delta-amyl-delta-valerolactone; δ-Amyl-δ-valerolactone; Delta-Decalactone; Tetrahydro-6-pentyl-2H-Pyran-2-one; 6-pentyltetrahydro-2H-pyran-2-one; (6R)-6-pentyltetrahydro-2H-pyran-2-one; (6S)-6-pentyltetrahydro-2H-pyran-2-one