英文同义词: | 4-Hydroxy-2-methylbutanoic acid lactone;4-Hydroxy-2-methylbutyric acid lactone;Methyl-.gamma.butyrolactone,.alpha.-methyl-.gamma.-butyrolactone,butyricacid,4-hydroxy-2-methyl-,.gamma.-lactone;(±)-3-Methyl-dihydro-furan-2-one;(R,S)-3-Methyl-dihydro-furan-2-one;2-Methylbutanolide;2-Methyl-gamma-butyrolactone;3-Methyldihydro-2(3H)-furanone |