Talsaclidine, a novel M1-receptor selective muscarinic agonist for cholinergic substitution therapy of Alzheimer's disease. Treatment with the selective muscarinic m1 agonist talsaclidine decreases cerebrospinal fluid levels of A beta 42 in patients with Alzheimer's disease. Form:Beige SolidMelting Point:138-142°C Solubility:Chloroform, Methanol