| 英文名称: | | 2-Oxetanone,4-methyl- | | 4-methyl-2-Oxetanone | | .beta.-Butyrolactone | | 4-methyl-2-oxetanon | | 3-hydroxybutanoic acid, beta-lactone | | 3-hydroxybutyric acid lactone | | 3-hydroxybutyric acid, beta-lactone | | 4-methyl-2-oxetanone | | beta-butyrolactone | | beta-butyrolakton | | hydroxybutyric acid lactone | | β-Butyrolactone | | β-Methyl-β-propiolactone | | beta-Methylpropiolactone | | 4-methyl-oxetan-2-one | | (R,S)-4-Methyl-oxetan-2-one |
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