The monomers of {TAIL ~ the invention} are prepared in good yield from {HEAD ~ readily available starting materials} 
The monomers of { TAIL ~ the invention } are prepared in good yield from { HEAD ~ readily available starting materials }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD