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

[[13-(tert-butyl-dimethyl-silanyloxy)-3,11-dimethyl-19-methylene-7-oxo-6,21-dioxa-bicyclo[15.3.1]heneicosa-2,8,10,14-tetraen-5-yl]-(4-methoxy-benzyloxy)-methyl]-hexa-2,4-dienoyl-carbamic acid 2-trimethylsilanyl-ethyl ester

(diethoxy-phosphoryl)-acetic acid 4-{6-[4-(tert-butyl-dimethyl-silanyloxy)-6-methyl-8-oxo-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