2,2-Dimethyl-propionic acid (2R,3R,4R,5R)-5-((S)-2-benzyloxy-1-hydroxy-ethyl)-2-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-4-methoxy-tetrahydro-furan-3-yl ester

(E)-(4S,5R)-7-(tert-Butyl-diphenyl-silanyloxy)-5-hydroxy-4-methoxy-2-methyl-hept-2-enoic acid methyl ester

Acetic acid (S)-2-benzyloxy-1-((3aR,5R,6R,6aR)-6-methoxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-ethyl ester

1,2-O-isopropylidene-3-O-methyl-D-arabinofuranose

(E)-(4S,5R)-5,7-Dihydroxy-4-methoxy-2-methyl-hept-2-enoic acid methyl ester