such a preferred specific compound encompassed within {HEAD ~ this invention} is an intermediate conforming to the structure of {TAIL ~ Formula} 
such a preferred specific compound encompassed within { HEAD ~ this invention } is an intermediate conforming to the structure of { TAIL ~ Formula }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL