{HEAD ~ A process} for preparing {TAIL ~ a F phenylalkylene oxide diacetylene} which comprises the following steps: 
for preparing
{ HEAD ~ A process } for preparing { TAIL ~ a F phenylalkylene oxide diacetylene } which comprises the following steps :
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH