128087-96-7 24851-98-7 Cyclopentaneacetic acid, 3-oxo-2-pentyl-, methyl ester EINECS 246-495-9 FEMA No. 3408 Hedione Kharismal Methyl (2-pentyl-3-oxocyclopentyl)acetate Methyl (3-oxo-2-pentylcyclopentyl)acetate Methyl 3-oxo-2-pentylcyclopentaneacetate Methyl dihydrojasmonate