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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