Γ-亞甲基-Γ-丁內(nèi)酯;
alpha'-angelica lactone;5-methylideneoxolan-2-one;5-Methylenedihydro-2(5H)-furanone;gaMMa-Methylene-gaMMa-butyrolactone;γ-Methylene-γ-butyrolactone;
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