7-{6-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3,6-dihydro-2H-pyran-2-yl}-2,6-dimethyl-heptane-2,3-diol

2,2-dimethyl-propionic acid 7-(dimethoxy-phosphoryl)-5-(4-methoxy-benzyloxy)-6-oxo-hept-2-enyl ester

2,2-dimethyl-propionic acid 5-(4-methoxy-benzyloxy)-8-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-6-oxo-octa-2,7-dienyl ester