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Articaine contains a "thiophene" ring, instead of a benzene ring. The thiophene ring consists of a penta-formation of 4 carbon atoms and the compound's lone sulfur atom. Aside from this, there is also an ester group. The ester causes it to be broken down relatively quickly (20-30 minutes) by blood and tissue, which is why articaine is ideal as a temporary pain control, usually by dentists' offices.

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10y ago
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11y ago

NH-CO Amide

N Amine

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