(3S,3aS,6aS)-5-((Trimethylsilyl)oxy)-3-(methoxymethoxymethyl)-6-methyl-2-(toluene-4-sulfonyl)-1,2,3,3a,4,6a-hexahydrocyclopenta(c)pyrrole

(2S,3R,4R)-4-Acetyl-3-[(methoxycarbonyl)methyl]-2-(methoxymethoxymethyl)-1-(toluene-4-sulfonyl)pyrrolidine

(1S,3aS,4S,6aS)-1-(Methoxymethoxymethyl)-4-methyl-2-(toluene-4-sulfonyl)hexahydrocyclopentapyrrol-5-one

ethyl (2E,4R,5S,6R)-4,7-dihydroxy-5,6-(isopropylidendioxy)hept-2-enoate

ethyl (R,E)-4-hydroxy-4-((4S,5R)-5-((methoxymethoxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)but-2-enoate