Acetolactone

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Notion

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Science and technology

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What Wikipedia says

In organic chemistry, α‑lactone refers to a functional group, the smallest possible lactone. It is a family of unstable, three-membered heterocycles, containing an epoxide ring fused with a carbonyl group.

Excerpt from the Wikipedia article “Acetolactone”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Ben Mills, Public domain, via Wikimedia Commons.