New fluorescent cyanine dyes are useful as {HEAD ~ reporter groups} for labeling {TAIL ~ biomolecules} 
for labeling
New fluorescent cyanine dyes are useful as { HEAD ~ reporter groups } for labeling { TAIL ~ biomolecules }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL