Today we’ll take a quick look at some related compounds, all derivatives of butyric acid.

Butyric acid
butyric acid
Butyric acid is a short-chain fatty acid, and gets its name from the Greek for “butter” – and is, appropriately, responsible for the distinctive smells of rancid butter and vomit. Esters of butyric acid (e.g. methyl/ethyl butyrate) are often used as artificial flavourings and in perfumes, typically having fruity odours.
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