(3S,5S)-5-{(1S,3S)-1-azido-3-{[4-methoxy-3-(3-methoxypropoxy)phenyl]methyl}-4-methylpentyl}-dihydro-3-(1-methylethyl)furan-2(3H)-one
(3S,5S)-5-{(1R,3S)-1-bromo-3-{[4-methoxy-3-(3-methoxypropoxy)phenyl]methyl}-4-methylpentyl}-dihydro-3-(1-methylethyl)furan-2(3H)-one
(3S,5S)-dihydro-5-{(1S,3S)-1-hydroxy-3-{[4-methoxy-3-(3-methoxypropoxy)phenyl]methyl}-4-methylpentyl}-3-(1-methylethyl)furan-2(3H)-one
(3S,5S)-dihydro-5-{(1S,3S)-1-hydroxy-3-[4-methoxy-3-(3-methoxypropoxy)benzoyl]-4-methylpentyl}-3-(1-methylethyl)furan-2(3H)-one