SEARCH Articles Figures Tables 1- uracil methyl ester, preparation 5-Bromo-6-methyl-3 uracil 6-Uracil methyl sulfone Methylation of uracil in tRNA Uracil 3- -5-methyl Uracil 3- -5-methyl Uracil 6 - amino -1 - - 5 methyl Uracil selective methylation Uracils 6-methyl-, 5-hydroxymethylation