(4R,5R)-5-{(1S,3R,4R,5S,6R)-3,5-dihydroxy-1-methoxy-7-[(4-methoxybenzyl)oxy]-4,6-dimethylheptyl}-4-[(2-methoxyethoxy)methoxy]-3,3-dimethyldihydrofuran-2(3H)-one

(4R,5S)-5-[(1S)-3-(benzyloxy)-1-methoxypropyl]-4-hydroxy-3,3-dimethyldihydrofuran-2(3H)-one

(R)-1-((4-methoxybenzyl)oxy)-2-methylpentan-3-one

(5R)-5-[(1S)-3-(benzyloxy)-1-methoxypropyl]-3,3-dimethylfuran-2,4(3H,5H)-dione

(3S)-3-methoxy-3-{(2R,3R)-3-[(2-methoxyethoxy)methoxy]-4,4-dimethyl-5-oxotetrahydrofuran-2-yl}propanal

(4R,5R)-5-[(1S)-3-hydroxy-1-methoxypropyl]-4-[(2-methoxyethoxy)methoxy]-3,3-dimethyldihydrofuran-2(3H)-one

(4R,5R)-5-{(1S)-2-[(4R,5R,6S)-2-ethyl-6-{(1R)-2-[(4-methoxybenzyl)oxy-1-methylethyl]-5-methyl-1,3,2-dioxaborinan-4-yl}-1-methoxyethyl]}-4-[(2-methoxyethoxy)methoxy]-3,3-dimethyldihydrofuran-2(3H)-one

(4R,5R)-5-{(1S,3R,4R,6R)-3-hydroxy-1-methoxy-7-[(4-methoxybenzyl)oxy]-4,6-dimethyl-5-oxoheptyl}-4-[(2-methoxyethoxy)methoxy]-3,3-dimethyldihydrofuran-2(3H)-one

(4R,5S)-5-[(1S)-3-(benzyloxy)-1-methoxypropyl]-4-[(2-methoxyethoxy)methoxy]-3,3-dimethyldihydrofuran-2(3H)-one