3,8-bis-(tert-butyl-dimethyl-silanyloxy)-4-[bis-(2,2,2-trifluoro-ethyl)-phosphorylacetoxy]-13-{6-[2-oxo-ethyl]-3,6-dihydro-2H-pyran-2-yl}-12-methyl-1-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-10-methylene-trideca-1,6-diene

11-(tert-butyl-dimethyl-silanyloxy)-7-[1-(tert-butyl-dimethyl-silanyloxy)-3-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-15-methyl-13-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-9,19-dien-3-yn-5-one

11-(tert-butyl-dimethyl-silanyloxy)-7-[1-(tert-butyl-dimethyl-silanyloxy)-3-(4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-15-methyl-13-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-3,9,19-trien-5-one

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

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