A muscarinic acetylcholine receptor agonist (IC50s = 1,837, 25, 631, 317, and 393 μM for M1-5, respectively); inhibits M2-mediated increases in cyclic AMP induced by isoproterenol in guinea pig small intestine (IC50 = 127 μM); increases basal tone of isolated porcine intravesical ureter (EC50 = 4.27 μM); induces fluid secretion in the ileum, duodenum, and jejunum of anesthetized rats (60 μg/kg)