| 英文名称: | | Tetrahydro-2H-2-pyranone | | I-Valerolactone | | 5-Hydroxypentanoic acid lactone | | I-Pentanolactone | | 1-oxacyclohexan-2-one | | δ-valerolactone | | tetrahydro-pyran-2-one | | valeric acid,δ-hydroxy-,lactone | | tetrahydro-2H-pyran-2-one | | tetrahydro-2-pyranone | | 5-valerolactone | | 4,5-dihydro-5-methyl-2(3H)-furanone | | 2H-pyran-2-one,tetrahydro- | | 1,2-pyrone,tetrahydro- | | δ-Valero-lacton | | Oxan-2-one | | 5-Pentanolide | | .delta.-Valerolactone | | delta-valerolactone |
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