the same nucleoside derivatives were also derived from ribosomal rna and dna reacted in vitro with the carcinogenic electrophilic derivative n-benzoyloxy-n-methyl-4-aminoazobenzene , esterification of the n-hydroxy derivative , and reaction of the resultant electrophilic esters with dna and rna .
C0035701
ribosomal rna
C0035668
rna