Which anaesthetic belongs to ester group: (A) Procaine, (B) Bupivacaine, (C) Lignocaine, (D) Mepivacaine
Answer is A. Esters (aminoesters):- procaine, chlorprocaine, tetracaine (amethocaine), Benzocaine, CocaineAmides (aminoamides):- Lignocaine, Mepivacaine, Prilocaine, bupivacaine, Etidocaine, ropivacaine, dibucaine(Refer: Morgan and Mikhail's Clinical Anaesthesiology, 5th edition, pg no. 268-270)