Acetic acid (2R,3S,4R,5S,6R)-5-(tert-butyl-dimethyl-silanyloxy)-6-(tert-butyl-dimethyl-silanyloxymethyl)-4-(4-methoxy-benzyloxy)-3-methyl-tetrahydro-pyran-2-ylmethyl ester

(3aS,5aR,9aR,9bS)-2,2,3a,8,8-Pentamethyl-tetrahydro-[1,3]dioxolo[4',5':4,5]pyrano[3,2-d][1,3]dioxin-4-one

(4aR,7R,8R,8aS)-8-Hydroxy-2,2,7-trimethyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-6-one

(4aR,7R,8R,8aS)-8-(4-Methoxy-benzyloxy)-2,2,7-trimethyl-6-methylene-hexahydro-pyrano[3,2-d][1,3]dioxine