4-(S)-benzyl-3-{2-[1-(S)-benzyloxymethyl-allyloxy]acetyl}oxazolidin-2-one

{4-(S)-[1-(S)-benzyloxymethyl-allyloxy]-3-(S)-methoxymethoxy-hex-5-en-1-ynyl}triisopropylsilane

2-(S)-benzyloxymethyl-5-(S)-{1-(S),4-(R)-bis-methoxymethoxy-4-[5-(R)-(1-(R)-methoxymethoxy-tridecyl)tetrahydrofuran-2-(R)-yl]but-2-ynyl}-2,5-dihydrofuran