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