(6-[1,3]dioxolan-2-ylmethyl-3-methoxy-3,6-dihydro-2H-pyran-2-yl)-methanol

6,7-dihydroxy-5-(4-methoxy-benzyloxy)-hept-2-enoic acid methyl ester

5-(2,2-dimethyl-[1,3]dioxolan-4-yl)-5-(4-methoxy-benzyloxy)-pent-2-enoic acid methyl ester

6-[1,3]dioxolan-2-ylmethyl-3-methoxy-2-prop-2-ynyl-3,6-dihydro-2H-pyran

6-[1,3]dioxolan-2-ylmethyl-2-(3-iodo-prop-2-ynyl)-3-methoxy-3,6-dihydro-2H-pyran