(+)-(4S,5S)-4-(Prop-2-enyl)-5-<(2R,3S)-4-(benzyloxy)-2-hydroxy-1-methoxybutyl>dihydrofuran-2(3H)-one

(4S,5S)-5-((1S,2R)-4-Benzyloxy-2-hydroxy-1-methoxy-butyl)-4-isobutyl-dihydro-furan-2-one

(+)-(4R,5R)-4-Butyl-5-<(1S,2R)-4-(benzyloxy)-2-hydroxy-1-methoxybutyl>dihydrofuran-2(3H)-one

(+)-(4S,5S)-4-(2-Methyl-2-propenyl)-5-<(1S,2R)-4-(benzyloxy)-2-hydroxy-1-methoxybutyl>dihydrofuran-2(3H)-one