{(E)-3-[(R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-oxo-7,8,9,10,11,12,13,14-octahydro-5H-6-oxa-benzocyclododecen-7-yl]-propenyl}-carbamic acid 2-trimethylsilanyl-ethyl ester

((R)-4-Methoxy-5-oxo-7,8,9,10,11,12,13,14-octahydro-5H-6-oxa-benzocyclododecen-7-yl)-acetaldehyde

{(E)-3-[(R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-oxo-7,8,9,10,11,12,13,14-octahydro-5H-6-oxa-benzocyclododecen-7-yl]-propenyl}-((2Z,4Z)-hepta-2,4-dienoyl)-carbamic acid 2-trimethylsilanyl-ethyl ester

(E)-4-((R)-4-Hydroxy-5-oxo-7,8,9,10,11,12,13,14-octahydro-5H-6-oxa-benzocyclododecen-7-yl)-but-2-enoic acid allyl ester

(E)-4-((R)-4-Methoxy-5-oxo-7,8,9,10,11,12,13,14-octahydro-5H-6-oxa-benzocyclododecen-7-yl)-but-2-enoic acid allyl ester