the interactions of 4-nitroquinoline 1-oxide ( nqo ) with the four 5'-deoxyribonucleotides were probed using absorption spectra of the charge transfer bands and 1h and 13c nuclear magnetic resonance ( nmr ) spectra of nucleotide-nqo mixtures .
C0011529
deoxyribonucleotides
C0028630
nucleotide