(2S,3R,6S,8S)-8-tert-butyldiphenylsilyloxy-3,6-epoxy-2-methylnonan-1-ol

(R)-2-{(2R,5S)-5-[(S)-2-(tert-Butyl-diphenyl-silanyloxy)-propyl]-tetrahydro-furan-2-yl}-propionic acid

Benzoic acid (S)-2-[(2R,5R)-5-((R)-1-methoxycarbonyl-ethyl)-2,5-dihydro-furan-2-yl]-1-methyl-ethyl ester

Benzoic acid (S)-2-[(3aR,4R,6S,6aS)-6-((R)-1-methoxycarbonyl-ethyl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-1-methyl-ethyl ester

Benzoic acid (S)-2-[(3aR,4R,6S,6aS)-2-dimethylamino-6-((R)-1-methoxycarbonyl-ethyl)-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl]-1-methyl-ethyl ester