Monomers carrying {HEAD ~ such protonated, fluoride containing anions} exhibit superior chemical stability as compared to {TAIL ~ corresponding monomers} carrying the simple fluoride ion  
Monomers carrying { HEAD ~ such protonated , fluoride containing anions } exhibit superior chemical stability as compared to { TAIL ~ corresponding monomers } carrying the simple fluoride ion
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH