| 5-Methyl-3H-furan-2-one |
| 4-Hydroxy-3-pentenoic acid lactone |
| 4-Hydroxy-3-pentenoic acid gamma-lactone |
| 5-methyl-2(3H)-Furanone |
| .alpha.-Angelica lactone |
| 5-methyl-2(3h)-furanon |
| 4-hydroxy-3-pentenoic aci gamma-lactone |
| 4-hydroxypent-3-enoic acid lactone |
| 5-methyl-2(3h)-furanone |
| alpha-angelica lactone |
| beta,gamma-angelica lactone |
| delta(sup 2)-angelica lactone |
| gamma-methyl-beta,gamma-crotonolactone |
| α-Angelica lactone |
| α-Angelicalactone |
| 4-Hydroxy-3-pentenoic acid γ-lactone |
| à-Angelicalactone |
| 4-Hydroxy-3-pentenoic acid |
| alpha-Angelicalactone |
| 2(3H)-Furanone,5-methyl- |
