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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Which one of the following local anesthetics belongs to the ester group?
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The correct answer is  Procaine is an ester linked local anaesthetic. Bupivacaine, Lignocaine and Mepivacaine are amide linked local anesthetics. Other ester linked anesthetics are cocaine, chloroprocaine, tetracine and benzocaine. Ref: Essentials of Medical Pharmacology By K D Tripathi, 5th Edition, Page 320.