<prompt> All of the local anaesthetics given below are amides, EXCEPT:LignocaineProcainePrilocaineEtidocaine  <response>: 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 CinchocaineDibucaine Etidocaine Levobupivacaine LidocaineLignocaine Mepivacaine Prilocaine Ropivacaine Trimecaine 