1-({(1S,3R,4S,5R)-7,7-dimethyl-2,6,8-trioxa-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]-bicyclo[3.3.0]oct-3-yl}methoxy)-2,2-dimethyl-1,1-diphenyl-1-silapropane

(E)-3-[(2S,3S,5R)-3-Benzyloxy-2-benzyloxymethyl-5-methoxy-4-tetradec-(Z)-ylidene-tetrahydro-furan-2-yl]-acrylic acid methyl ester