(3S,4S,5S)-5-Benzyloxymethyl-4-trimethylsilanyl-3-trimethylsilanylmethyl-dihydro-furan-2-one

Carbonic acid (1S,2S)-1-benzyloxymethyl-2,4-bis-trimethylsilanyl-but-3-ynyl ester ethyl ester

(3S,4R,5R)-3-Methyl-1-trimethylsilanyl-non-1-yne-4,5-diol

(2R,3S)-2-Hydroxy-3-methyl-pent-4-ynoic acid methyl ester