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