an aliphatic alcohol + butanoate + H(+) => a butanoate ester + H2O
an aliphatic alcohol + butanoate + h(+) => a butanoate ester + h2o
an aliphatic alcohol + butanoate + H(+) => a butanoate ester + H2O
an aliphatic alcohol + butanoate + h(+) => a butanoate ester + h2o