The dyes of the invention optionally possess {HEAD ~ a reactive group} useful for preparing {TAIL ~ fluorescent conjugates}, which conjugates and methods for their preparation are described herein 
useful for preparing
The dyes of the invention optionally possess { HEAD ~ a reactive group } useful for preparing { TAIL ~ fluorescent conjugates } , which conjugates and methods for their preparation are described herein
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH