The salt or ester form of acetylsalicylic acid, the active ingredient in aspirin.
From acetylsalicylic (acetyl + salicylic, from salicin found in willow bark) + -ate (salt/ester suffix). This term became standard as aspirin became a commercial drug.
Acetylsalicylate is aspirin in a different chemical form, and it's one of the most important discoveries in medicine—aspirin works by acetylizing an enzyme, which shows how a tiny chemical modification can have huge effects on human health!
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