(7R,9S,10R)-4-methoxy-7-[2-(4-methoxy-benzyloxy)-ethyl]-9-methoxymethoxy-10-methyl-7,8,9,10,11,14-hexahydro-6-oxa-benzocyclododecen-5-one

{(E)-3-[(E)-(7R,9S,10R)-4,9-Bis-(tert-butyl-dimethyl-silanyloxy)-10-methyl-5-oxo-7,8,9,10,11,14-hexahydro-5H-6-oxa-benzocyclododecen-7-yl]-propenyl}-((2Z,4Z)-hepta-2,4-dienoyl)-carbamic acid 2-trimethylsilanyl-ethyl ester

(2Z,4Z)-Hepta-2,4-dienoic acid

(2Z,4Z)-Hepta-2,4-dienoyl chloride

{(E)-3-[(E)-(7R,9S,10R)-4,9-Bis-(tert-butyl-dimethyl-silanyloxy)-10-methyl-5-oxo-7,8,9,10,11,14-hexahydro-5H-6-oxa-benzocyclododecen-7-yl]-propenyl}-carbamic acid 2-trimethylsilanyl-ethyl ester