毒扁豆碱一种结晶的生物碱，c15h21n3o2，从毒扁平中提取，在医学中用作缩瞳药和胆碱能剂，用于提高阿耳茨海默氏病人的记忆力

• A crystalline alkaloid, C15H21N3O2, extracted from the Calabar bean, used in medicine as a miotic and cholinergic agent and to enhance memory in patients with Alzheimer's disease.