What is a Acetylcholinesterase inhibitor?

Acetylcholinesterase inhibitors, of course! These include ambinonium (Mytelase), physostigmine, neostigmine (Prostigmin, Vagostigmin), galantamine (Razadyne, Reminyl, Nivalin), pyridostigmine, Tacrin (Cognex), donepezil (Aricept), edrophonium (Tensilon, Enlon, Reversol) and rivastigmine (Exelon), and others.