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