Benzoic acid (1R,3S)-1-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-3-(4-methoxy-benzyloxy)-hex-5-ynyl ester

Benzoic acid (E)-(1R,3S)-3-(tert-butyl-dimethyl-silanyloxy)-1-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-6-iodo-hex-5-enyl ester