dye labeled nucleoside triphosphates NTP set base modified deoxynucleotides 3 prime block nucleotides chain terminator ATP biotin labeled nucleoside triphosphate acyATP UTP 3 prime modifed nucleotides CTP phosphate modifed nucleotides polyphosphate nucleotides alkynyl modified triphosphate deoxynucleotide set dNTP set sugar modified nucletides dye labeled nucleoside triphosphate Dye labeled nucleotide ribonucleoside triphosphate set Dye labeled nucleotides polyphsophate nucleotides ddNTP set click chemistry deoxynucleotide Biotin labeled nucleotide aminomodified nucleotides Sugar modified ribonucleotides nonnucleside triphosphate AcyNTPs based modified ribonucleotide GTP reversible terminator nucleotides acyGTP phosphate modified nucleotide terminator acyTTP phosphate modifed nucleotide dideoxynucleotide