Dehydrocrebanine has strong activity against promyelocytic leukemia cells (HL-60) with an IC50 of 2.14 ug mL. It also shows potent antimalarial activity with an IC50 value of 70 ng ml.
Oblongine chloride may have potential haemodynamic effects, it can cause a dose-dependent reduction of systolic and diastolic blood pressure, and that these effects are not mediated by α²-adrenergic receptor stimulation.
Dicentrine, a selective α±(1)-adrenoceptor antagonist with potent antiarrhythmic and antihypertensive activities, it also has antinociception in different models of chemical pain.
L-Stepholidine, which has dual actions on dopamine D1 and D2 receptors, attenuates heroin self-administration and cue-induced reinstatement. It also elicits anti-dyskinesia effects.