cytidine + acetate + H(+) => N(4)-acetylcytidine + H2O
cytidine + acetate + h(+) => n(4)-acetylcytidine + h2o
cytidine + acetate + H(+) => N(4)-acetylcytidine + H2O
cytidine + acetate + h(+) => n(4)-acetylcytidine + h2o