(diethoxy-phosphoryl)-acetic acid 4-{6-[4,8-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-octa-2,6-dienyl]-4-methylene-tetrahydro-pyran-2-yl}-1-[2-(3,4-dimethoxy-benzyloxy)-1-(4-methoxy-benzyloxy)-ethyl]-3-methyl-but-3-enyl ester

(diethoxy-phosphoryl)-acetic acid 4-{6-[4-(tert-butyl-dimethyl-silanyloxy)-8-hydroxy-6-methyl-octa-2,6-dienyl]-4-methylene-tetrahydro-pyran-2-yl}-1-[2-(3,4-dimethoxy-benzyloxy)-1-(4-methoxy-benzyloxy)-ethyl]-3-methyl-but-3-enyl ester

(Diethoxy-phosphoryl)-acetic acid (E)-(R)-4-{(2R,6R)-6-[(2E,6Z)-(R)-4-(tert-butyl-dimethyl-silanyloxy)-8-hydroxy-6-methyl-octa-2,6-dienyl]-4-methylene-tetrahydro-pyran-2-yl}-1-(3,4-dimethoxy-benzyloxymethyl)-3-methyl-but-3-enyl ester

(2E,8E,10Z,14E)-(1R,5R,13R,17R)-13-(tert-Butyl-dimethyl-silanyloxy)-5-[(R)-2-(3,4-dimethoxy-benzyloxy)-1-(4-methoxy-benzyloxy)-ethyl]-3,11-dimethyl-19-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-7-one

(2E,8E,10Z,14E)-(1R,5S,13R,17R)-13-(tert-Butyl-dimethyl-silanyloxy)-5-[(S)-2-(3,4-dimethoxy-benzyloxy)-1-(4-methoxy-benzyloxy)-ethyl]-3,11-dimethyl-19-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-2,8,10,14-tetraen-7-one