(+)-(S)-2,2,3,3,10,10,11,11-octamethyl-6-(prop-1-ynyl)-4,9-dioxa-3,10-disiladodecane

(+)-(S,E)-6-(2-iodoprop-1-enyl)-2,2,3,3,10,10,11,11-octamethyl-4,9-dioxa-3,10-disiladodecane