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By this I mean to ask whether say ethyl butanoate is hydrolysed in humans into ethanol and butyric (butanoic) acid. This is of interest to me as a pharmacology researcher because butyric acid, for instance, serves as a potent histone deacetylase (HDAC) inhibitor and hence increases gene expression but it has very poor oral bioavailability and I am curious as to whether there's any theoretical basis for suspecting that using butyric acid esters as prodrugs would be a more efficient way of delivering butyric acid.

Here is the molecular structure of ethyl butanoate:

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