{HEAD ~ Especially preferred dihydric phenols} are bisphenol A and {TAIL ~ 2,2 bispropane} 
are
{ HEAD ~ Especially preferred dihydric phenols } are bisphenol A and { TAIL ~ 2,2 bispropane }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL