{HEAD ~ The compounds} of {TAIL ~ the invention} are fluorophores that are derivatized to allow their facile attachment to another moiety 
of
{ HEAD ~ The compounds } of { TAIL ~ the invention } are fluorophores that are derivatized to allow their facile attachment to another moiety
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH