(4S)-4-((2S,3S,5R)-5-((2R,5S)-5-((1R)-1-Benzyloxymethoxyethyl)-5-ethyltetrahydrofur-2-yl)-5-ethyl-3-methyltetrahydrofur-2-yl)hexan-3-one

(2R)-2-((2S,3S,5R)-5-((2R,5S)-5-((1R)-1-Benzyloxymethoxyethyl)-5-ethyltetrahydrofur-2-yl)-5-ethenyl-3-methyltetrahydrofur-2-yl)butanal

(3S)-1-((2R,5S)-((1R)-1-Benzyloxymethoxyethyl)-5-ethyltetrahydrofur-2-yl)-3-((4S,5S)-5-ethyl-2,2-dimethyl-1,3-dioxan-4-yl)butan-1-one

((S)-2-((2R,2'R,4S,5S,5'S)-5'-((R)-1-((benzyloxy)methoxy)ethyl)-5'-ethyl-4-methyl-2-vinyloctahydro-[2,2'-bifuran]-5-yl)butoxy)(tert-butyl)dimethylsilane

((S)-2-((2R,2'R,4S,5S,5'S)-5'-((R)-1-((benzyloxy)methoxy)ethyl)-5'-ethyl-2-((E)-4-methoxystyryl)-4-methyloctahydro-[2,2'-bifuran]-5-yl)butoxy)(tert-butyl)dimethylsilane