All of the local anaesthetics given below are amides, EXCEPT:: (A) Lignocaine, (B) Procaine, (C) Prilocaine, (D) Etidocaine
Answer is B. Clinical local anesthetics belong to one of two classes: aminoamide and aminoester local anesthetics. Procaine is an ester anaesthetic. The members of Amide group are: Aicaine Bupivacaine Cinchocaine/Dibucaine Etidocaine Levobupivacaine Lidocaine/Lignocaine Mepivacaine Prilocaine Ropivacaine Trimecaine