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