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