(3aS,4S,6S,7S,7aR)-tetrahydro-6-methoxy-7-[(4-methoxybenzyl)oxy]-2,2-dimethyl-4H-1,3-dioxolo[4,5-c]pyran-4-carboxaldehyde

(3aR,4R,6S,7S,7aR)-4-ethenyl-tetrahydro-6-methoxy-7-[(4-methoxybenzyl)oxy]-2,2-dimethyl-4H-1,3-dioxolo[4,5-c]pyran

(3aR,4R,6S,7S,7aR)-tetrahydro-6-methoxy-7-[(4-methoxybenzyl)oxy]-2,2-dimethyl-4H-1,3-dioxolo[4,5-c]pyran-4-methanol