All are chlolinergic agents except
Donepezil,rivastigmine,gallantamine and tacrine are cholinergic (due to inhibition of cholinesterase enzyme) drugs useful for alzheimer's disease. Memantine is an NMDA blocker,used for Alzheimer's disease. Ref-KDT 6/3 p472,473
Galantamine
Donepezil
Tacrine
Memantine
Autonomic nervous system