Eldanolide

(+)-Eldanolide

(2R)-2α-Prenyl-3β-methyltetrahydrofuran-5-one

(4S)-4α-Methyl-5β-(3-methyl-2-butenyl)-4,5-dihydrofuran-2(3H)-one

(4S)-4,5-Dihydro-4α-methyl-5β-(3-methyl-2-butenyl)-2(3H)-furanone

(4S,5R)-4,5-Dihydro-4-methyl-5-(3-methyl-2-butenyl)-2(3H)-furanone