has role acetylcholinesterase inhibitor role tacrine 1,2,3,4-tetrahydroacridin-9-amine A member of the class of acridines that is 1,2,3,4-tetrahydroacridine substituted by an amino group at position 9. It is used in the treatment of Alzheimer's disease. C13H14N2 CAS:321-64-2 DrugBank:DB00382 Nc1c2CCCCc2nc2ccccc12 Wikipedia:Tacrine organic molecular entity