Amino ester local anesthesia metabolised by hepatic carboxylesterase is:

Aminoesters are hydrolyzed in plasma by cholinesterase enzymes, but the amides undergo enzymatic degradation in the liver. Aicaine is an amide local anesthetic widely used in dentistry that is inactivated by plasma carboxylesterase-induced cleavage of a methyl ester on the aromatic ring. Ref: Miller's anesthesia-7th ed, Chapter 30.