(3S,3aR,5R,5aS,5bS,9aS,10aS,13aR,13bS,15aR,15bS)-3-(((tert-butyldiphenylsilyl)oxy)methyl)-15b-hydroxy-3a,8,8,12,12-pentamethyl-15-oxohexadecahydro-6H-cyclopenta[7,8][1,3]dioxolo[4',5':1,2]phenanthro[4,4a-d][1,3]dioxin-5-yl acetate

((4S,5R)-2,2-Dimethyl-5-vinyl-[1,3]dioxolan-4-yl)-acetaldehyde

3,4-O-isopropylidene-2-deoxy-D-ribono-1,5-lactone

Acetic acid (R)-2-[(1R,2S)-2-(tert-butyl-diphenyl-silanyloxymethyl)-1-methyl-5-oxo-cyclopentyl]-1-((3aS,5S,5aR,6S,9aS,9bR)-5-hydroxy-5a-hydroxymethyl-2,2-dimethyl-8-oxo-decahydro-naphtho[1,2-d][1,3]dioxol-6-yl)-ethyl ester