Local anaesthetic with prolonged action
High-Yield Explanation
Dibucaine is the longest acting local anaestheticChlorprocaine is the shoest acting local anaestheticDecreasing order of duration: Dibucaine >Bupivacine= Tetracaine = Ropivacaine=Etidocaine > Prilocaine = lignocaine =Mepivacaine = Cocaine >Procaine >Chloprocaine(Refer: stoelting's pharmacology and physiology in anaesthetic practice, 5th edition, pg no.290,304)