{HEAD ~ These functionalized supports} can be used for synthesizing {TAIL ~ small molecules} as well as large molecules  
used for synthesizing
{ HEAD ~ These functionalized supports } can be used for synthesizing { TAIL ~ small molecules } as well as large molecules
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH