(2E,6E,10E)-(R)-16-(2,5-Dimethoxy-3-methyl-phenyl)-2,6,10,14-tetramethyl-14-triethylsilanyloxy-hexadeca-2,6,10-trienoic acid ethyl ester

(2E,6E,10E)-ethyl 11-iodo-2,6,10-trimethylundeca-2,6,10-trienoate