(R)-3-Methyl-4-((R)-4-oxo-3,4-dihydro-2H-pyran-2-yl)-butyric acid methyl ester

(R)-4-((2R,4S)-4-Hydroxy-3,4-dihydro-2H-pyran-2-yl)-3-methyl-butyric acid methyl ester

(R)-4-((2R,4S)-4-Acetoxy-3,4-dihydro-2H-pyran-2-yl)-3-methyl-butyric acid methyl ester

((S)-5-{(2R,6R)-6-[4-(4-Methoxy-benzyloxy)-but-2-ynyl]-3,6-dihydro-2H-pyran-2-yl}-4-methyl-2-methylene-pentyl)-trimethyl-silane