(R)-methyl 2-[(2R,5S,6R)-5-methyl-6-[(S)-1-oxopropan-2-yl]tetrahydro-2H-pyran-2-yl]butanoate

(2S,2'R,5'S)-5'-ethyl-5'-((R)-1-hydroxyethyl)-2-methylhexahydro-[2,2'-bifuran]-5(2H)-one

(S)-2-[(2S,3S,5R)-6-Methoxy-6-(3-methoxy-prop-1-ynyl)-3,5-dimethyl-tetrahydro-pyran-2-yl]-butan-1-ol

(2S,2'R,5'S)-5'-((R)-1,2-Dihydroxy-ethyl)-5'-ethyl-2-methyl-tetrahydro-[2,2']bifuranyl-5-one

(3R,5S,6S)-6-((S)-1-((tert-butyldimethylsilyl)oxy)butan-2-yl)-3,5-dimethyltetrahydro-2H-pyran-2-one