(S)-methyl 2-((2S,5R)-5-((R)-2-((tert-butyldimethylsilyl)oxy)propyl)tetrahydrofuran-2-yl)propanoate

(3R,6R)-3-(Dimethyl-p-tolyl-silanyl)-6-hydroxy-8-oxo-nonanoic acid

(3S,4R,7R)-7-((R)-2-((tert-butyldimethylsilyl)oxy)propyl)-4-hydroxy-3-methyloxepan-2-one

(3S,4R,7R)-7-((R)-2-((tert-butyldimethylsilyl)oxy)propyl)-3-methyl-2-oxooxepan-4-yl 4-methylbenzenesulfonate