d-Nonanolactone, 5-Hydroxynonanoic acid,lactone, i-nonalactone, NONALACTONE(SG), 5-nonalactone, δ-Nonanolactone, delta-Nonanolactone, delta-Nonalactone, 6-butyl-tetrahydro-pyran-2-one, δ-Pelargonolactone, 6-butyltetrahydro-2H-pyran-2-one, 5-NONANOLIDE, nonan-5-olide, i-nonanolactone, FEMA 3356, D-NONALACTONE