In general, {HEAD ~ the inventive libraries} are synthesized from {TAIL ~ diversifiable scaffold structures}, which are synthesized from readily available or easily synthesizable template structures 
In general , { HEAD ~ the inventive libraries } are synthesized from { TAIL ~ diversifiable scaffold structures } , which are synthesized from readily available or easily synthesizable template structures
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH