The dyes are useful as fluorescent labels of {TAIL ~ biomolecules}, such as oligonucleotides and {HEAD ~ deoxyribonucleosides} 
The dyes are useful as fluorescent labels of { TAIL ~ biomolecules } , such as oligonucleotides and { HEAD ~ deoxyribonucleosides }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD