{HEAD ~ This aspect} of {TAIL ~ the invention} thus broadly provides an acrylate or methacrylate monomer bearing an ion exchange site carrying a protonated fluoride anion of the formula (x F) 
of
{ HEAD ~ This aspect } of { TAIL ~ the invention } thus broadly provides an acrylate or methacrylate monomer bearing an ion exchange site carrying a protonated fluoride anion of the formula ( x F )
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